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The illustration shows the finger position of the compass after the revolution. — French, 1911

Compass Finger Position

The illustration shows the finger position of the compass after the revolution. — French, 1911

This cuspidor is a receptacle made for spitting into, especially by users of chewing and dipping tobacco. A cuspidor is also known a spittoon which can also be slang in American English for any receptacle used to hold spit.

The Design for a Cuspidor

This cuspidor is a receptacle made for spitting into, especially by users of chewing and dipping tobacco.…

The American ice velocipede is a sensible contrivance, literally skating by means of machinery. The machine is intended to be used on ice. The driving wheel is armed with sharp points to prevent the possibility of slipping

Ice Velocipede

The American ice velocipede is a sensible contrivance, literally skating by means of machinery. The…

the big bang cannon is an American toy that is still manufactured to this day. The original name of the company was the Gas Cannon Company. In 1916, the name was changed to the Toy Cannon Works.

Toy Cannon

the big bang cannon is an American toy that is still manufactured to this day. The original name of…

The object can revolve around an axis (H) to create a projection on the other plane without changing the size, shape, and dimensions.

Revolution About Axis Perpendicular to H

The object can revolve around an axis (H) to create a projection on the other plane without changing…

"The pyramid be revolved about an axis perpendicular to V, the front view will be unchanged and may be copied in the new position distance from the ground line to any point in the top view be unchanged, hence the new top view may be found by projecting up from the front view and across from the original top view" —French, 1911

Revolution About Axis Perpendicular to V

"The pyramid be revolved about an axis perpendicular to V, the front view will be unchanged and may…

"The pyramid be revolved about an axis perpendicular to V, the front view will be unchanged and may be copied in the new position distance from the ground line to any point in the top view be unchanged, hence the new top view may be found by projecting up from the front view and across from the original top view" —French, 1911

Revolution About Axis Forward or Back

"The pyramid be revolved about an axis perpendicular to V, the front view will be unchanged and may…

"A block revolved from its first position about an axis perpendicular to H through 45 degrees, then about an axis perpendicular to P through 45 degrees until the cut face MNO is parallel to the vertical plane. To avoid confusion it is well to letter or number the corresponding points as the views are carried along." —French, 1911

Successive Revolutions of Geometric Shapes

"A block revolved from its first position about an axis perpendicular to H through 45 degrees, then…

"The H projection of the line AB in the space is a line connecting the feet of all the perpendiculars from AB to the plane. These perpendiculars form what is known as the projecting plane. If this projecting plane to be revolved about its H trace, which is the H projection of the line, until it coincides with H, the line will be seen in its true length." —French, 1911

Revolutions into the Plane of Geometric Shapes

"The H projection of the line AB in the space is a line connecting the feet of all the perpendiculars…

"The distance of A and B below H is indicated on the V projection. Thus if to A∧h B∧h the perpendiculars A∧h A;and;r and B∧h B∧r be drawn, A∧r B∧r will be the true length of A B." —French, 1911

Construction of Geometric Revolution

"The distance of A and B below H is indicated on the V projection. Thus if to A∧h B∧h the perpendiculars…

This jug s a type of container for liquid. It has a wide opening, from which to pour or drink, and nearly always has some kind of handle. One could imagine a jug being made from nearly any watertight material, but most jugs throughout history have been made from clay, glass, or plastic. In American English usage, a jug is a large container with an opening and a handle for liquids.

Vessel For Holding Liquids

This jug s a type of container for liquid. It has a wide opening, from which to pour or drink, and nearly…

"A series of planes as S—S are passed perpendicular to the axis of revolution, cutting out the circles shown on the end view. The points at which these circles cut the 'flat' are projected back as points on the curve." —French, 1911

Intersection of Surface of Revolution and Plane

"A series of planes as S—S are passed perpendicular to the axis of revolution, cutting out the…

In American practice all of the forces between the locomotive and cars are handled through the coupler and its associated draft gear, which allows some limited slack movement. Small dimples called "poling pockets" at the front and rear corners of the locomotive allowed cars to be pushed on an adjacent track using a pole braced between the locomotive and the cars.

Device for Controlling Draft in Locomotives

In American practice all of the forces between the locomotive and cars are handled through the coupler…

This is a late model toothbrush framing, toothbrushes are instruments which are made using a small brush on a handle. Toothbrushes clean teeth through tooth brushing.

Tooth Brush Framing

This is a late model toothbrush framing, toothbrushes are instruments which are made using a small brush…

A sewing machine is a textile machine used to stitch fabric or other material together with thread. Sewing machines were invented during the first Industrial Revolution to decrease the amount of manual sewing work performed in clothing companies.

Sewing Machine

A sewing machine is a textile machine used to stitch fabric or other material together with thread.…

"In some of the cheap American alarm clocks there is used a simple ratchet—wheel which has the double advantage that it is noiseless, and is operative in every position." —Grimshaw, 1902

Noiseless Clock Ratchet

"In some of the cheap American alarm clocks there is used a simple ratchet—wheel which has the…

An illustration showing USS Arizona. USS Arizona was a Pennsylvania class battleship, built by U.S. Navy. It was launched in 1915, and served stateside during World War I. The ship sank in Pearl Harbor during World War II.

United States Navy Arizona Battleship

An illustration showing USS Arizona. USS Arizona was a Pennsylvania class battleship, built by U.S.…

USS Massachusetts commissioned by United States Navy in 1942. The ship was used during the World War II in the Pacific Ocean. The ship has a top speed of 27 knots (31 mph) and 35000 tons.

Massachusetts Battleship United States Navy

USS Massachusetts commissioned by United States Navy in 1942. The ship was used during the World War…

A World War I radio communication at Bordeaux. The United States Army built the radio station for a direct communication line.

French Radio Station at Bordeaux Built by American Army

A World War I radio communication at Bordeaux. The United States Army built the radio station for a…

A wheel is a circular device that is capable of rotating on its axis, facilitating movement or transportation while supporting a load, or performing labor in machines. Common examples are found in transport applications.

Eight Spoke Wheel

A wheel is a circular device that is capable of rotating on its axis, facilitating movement or transportation…

"If only one indicator is to be used for both ends of the cylinder, it may be connected by side pipes and a three way (pipe valve). By this method both diagrams are taken on the same card and with the loss but one revolution." —Derr, 1911

Three Way Pipe Valve for Attaching One Steam Engine Indicator

"If only one indicator is to be used for both ends of the cylinder, it may be connected by side pipes…

"As the eccentric turns in the strap, the point O moves in the dotted circle around O', and the point A also moves in a circle. When half a revolution is accomplished the point O will be at O", the Point A will be at A", and the eccentric strap and valve rod will be in the position indicated by the dotted lines." —Derr, 1911

Shaft in an Eccentric Motion from Steam Engine

"As the eccentric turns in the strap, the point O moves in the dotted circle around O', and the point…

An illustration of Patrick Henry a man who served as the post-colonial Governor of Virginia and was also a prominent figure in the American Revolution. He is known as one of the founding fathers of the United States.

Patrick Henry

An illustration of Patrick Henry a man who served as the post-colonial Governor of Virginia and was…

An illustration of Carpenter's Hall in Philadelphia, where the First Continental Congress assembled.

Outside View of Carpenter's Hall

An illustration of Carpenter's Hall in Philadelphia, where the First Continental Congress assembled.

An illustration of John Adams who proposed Washington for Commander-in-Chief of the Continental Army. John Adams was also the second President of the United States and was one of the most influential Found Fathers of the United States.

John Adams

An illustration of John Adams who proposed Washington for Commander-in-Chief of the Continental Army.…

"The Zoelly turbine has been developed rather extensively abroad, and is being manufactured largely through a syndicate of builders including some American firms. It is a turbine essentially of the Rateau type, a multi—pressure—stage turbine, but it has fewer stages, usually not over ten for condensing and five for non—condensing." —Derr, 1911

Zoelly Condensing Turbine Electric Generator

"The Zoelly turbine has been developed rather extensively abroad, and is being manufactured largely…

"In the other forms the number (vertebrae) varies between twenty and thirty three, the latter being spider monkeys. The proportion in the spider monkeys of the genus Ateles, almost three to one; in the other longest—tailed genera it is rarely so large as two to one." —Encyclopaedia Britannica, 1910

Side View of Skeleton of South American Spider Monkey

"In the other forms the number (vertebrae) varies between twenty and thirty three, the latter being…

An illustration of the Place de la Concorde in Paris, France. It is the largest square in the French capital. It was named Place Louis XV after the king of the time.

Place de la Concorde

An illustration of the Place de la Concorde in Paris, France. It is the largest square in the French…

An illustration of the Place de la Bastille which is a square in Paris where the Bastille Prison once stood. It was built between 1370 and 1383.

Place de la Bastille

An illustration of the Place de la Bastille which is a square in Paris where the Bastille Prison once…

An illustration of Notre Dame Cathedral in Paris, France. This building is also known as Notre Dame de Paris which is French for Our Lady of Paris. It is the church which contains the official chair of the Archbishop of Paris.

Notre Dame Cathedral

An illustration of Notre Dame Cathedral in Paris, France. This building is also known as Notre Dame…

An illustration of George Washington as Commander in Chief of the American army. He is riding a horse along with other members of the American army.

George Washington Riding with the American Army

An illustration of George Washington as Commander in Chief of the American army. He is riding a horse…

An illustration of George Washington on horseback commanding the American army. He is lining up the army and getting them ready for battle.

George Washington and American Troops

An illustration of George Washington on horseback commanding the American army. He is lining up the…

An illustration of George Washington crossing the Delaware River on December 25, 1776. This event occurred during the American Revolutionary War and was the first move in a surprise attack by the Continental Army against Hessian forces in New Jersey.

George Washington Crossing the Delaware

An illustration of George Washington crossing the Delaware River on December 25, 1776. This event occurred…

An illustration of George Washington and his army marching to Trenton, New Jersey, where the Battle of Trenton took place.

George Washington Marching to Trenton

An illustration of George Washington and his army marching to Trenton, New Jersey, where the Battle…

An illustration of George Washington directing the artillery at the Battle of Trenton in New Jersey. This battle took place on December 26, 1776 during the American Revolutionary War.

George Washington in Trenton

An illustration of George Washington directing the artillery at the Battle of Trenton in New Jersey.…

Plant used for medicinal purposes by many Native American tribes, common in many forms of tea.

Spiraea Albiflora

Plant used for medicinal purposes by many Native American tribes, common in many forms of tea.

This is a tropical shrub of the Americas, which bear red berries.

Surinam Cherry

This is a tropical shrub of the Americas, which bear red berries.

American tree with heavily dark leaves.

Tilia Americana

American tree with heavily dark leaves.

Tree bearing fragrant filled leaves, and green cherry like fruit.

California Laurel

Tree bearing fragrant filled leaves, and green cherry like fruit.

A tropical American perennial, a starchy food staple.

Xanthosoma Lindenii

A tropical American perennial, a starchy food staple.

This is a tall cereal grass, bears kernels on 'ears' which are widely cultivated.

Indian Corn

This is a tall cereal grass, bears kernels on 'ears' which are widely cultivated.

American beech; tree belonging to he North American forests.

Fagus Grandifolia

American beech; tree belonging to he North American forests.

Also know as cicuta maculata. This plant is native to temperate areas of the Northern Hemisphere, and is identified by having small green or white flowers hanging in an umbrella shape. It is considered one of America's most toxic plants to humans.

American Water Hemlock

Also know as cicuta maculata. This plant is native to temperate areas of the Northern Hemisphere, and…

Originated in the United States. It is one of the oldest American chickens, and is critically endangered today. They are excellent for both meat and egg production.

Pair of Black Javas

Originated in the United States. It is one of the oldest American chickens, and is critically endangered…

A flower that is native to eastern North American. It is either blue or white with leafy stems.

Polemonium Reptans

A flower that is native to eastern North American. It is either blue or white with leafy stems.

North American lily plant bearing orange, purple, and red flowers, and can grow up to 90 centimeters.

Lilium Philadelphicum

North American lily plant bearing orange, purple, and red flowers, and can grow up to 90 centimeters.

"The next day there was a lively time in Cambridge. All Middlesex was aflame, to say nothing of the towns in Worcester. The people came flocking into town - several thousand of them. Dr. Warren and some of the other patriots rode out and persuaded the citizens not to do anything rash. They found old Judge Danforth standing on the Court-house steps, promising never to have anything more to do with Gage's government. He is a councilor. Then the sheriff was called upon to resign."—Coffin, 1879

Carted Through the Streets

"The next day there was a lively time in Cambridge. All Middlesex was aflame, to say nothing of the…

Also referred to as loyalists. They were the American colonists who chose to remain loyal to Great Britain during the Revolutionary war.

A Tory

Also referred to as loyalists. They were the American colonists who chose to remain loyal to Great Britain…

"While Paul Revere is riding out through Medford, Ebenezer Door, mounted on an old plod-jogging horse, with his saddle-bags flopping at every step of the animal, is going out over Boston Neck."—Coffin, 1879

Ebenezer Dorr

"While Paul Revere is riding out through Medford, Ebenezer Door, mounted on an old plod-jogging horse,…

The alert given by Paul Revere to his fellow patriots. The Regular army is the permanent army of a country that is maintained during peacetime.

The Regulars Are Coming

The alert given by Paul Revere to his fellow patriots. The Regular army is the permanent army of a country…

"1. Companies of the Regulars marching into Concord. 2. Companies of the Regulars drawn up in order. 3. A Detachment destroying the Provincial Stores. 4, 5. Colonel Smith and Major Pitcairn viewing the Provincials, who were mustering on an East Hill in Concord. 6. The Court and Town-house. 7. The Meeting-house."—Coffin, 1879.

British Troops on Concord Common

"1. Companies of the Regulars marching into Concord. 2. Companies of the Regulars drawn up in order.…

Major John Pitcairn was one of the more reasonable officers of the British military. He was a Marine stationed in Boston, Massachussetts. He was in command of the advance part during the first shots of the Battles of Lexington and Concord.

Major Pitcairn

Major John Pitcairn was one of the more reasonable officers of the British military. He was a Marine…

A phrase that refers to the first shot fired against the British in the American Revolution, during the Battle of Lexington and Concord.

The Shot that is Heard Around the World

A phrase that refers to the first shot fired against the British in the American Revolution, during…

A battle of the American Revolution named after the adjacent hill, which was the objective of both colonial and British troops.

Bunker Hill

A battle of the American Revolution named after the adjacent hill, which was the objective of both colonial…

"This picture was drawn by a British engineer at the time of the battle. The view is from Copp's Hill, in Boston, looking north. A British battery on Copp's Hill fired across the water and set the town on fire. The smoke of the battle is seen on the hill behind the town. The wind was south-west, and carried the smoke eastward over the Mystic River."—Coffin, 1879

Burning of Charlestown

"This picture was drawn by a British engineer at the time of the battle. The view is from Copp's Hill,…

"This picture was drawn by a British engineer a few days after the battle. The view is from the north side of the hill, looking south from the spot occupied by the New Hampshire troops, under Colonel Stark and Colonel Reed. Portions of the rail-fence are to be seen. The Connecticut troops, under Colonel Knowlton, occupied the ground between the three in the centre of the view and the fort. The ground between the tree and the fort, and toward the left of the picture, was thickly strewed with the killed and wounded British soldiers. The Americans retreated past the trees at the right of the picture."—Coffin, 1879

Bunker Hill After the Battle

"This picture was drawn by a British engineer a few days after the battle. The view is from the north…

"One day there came marching into camp a regiment from Virginia, from the beautiful valley of the Shenandoah. It was commanded by Daniel Morgan. The men wore frocks trimmed with fur, and fur caps ornamented with buck-tails. On their breasts were the words uttered by Patrick Henry in the House of Burgesses in Virginia, 'Liberty or Death!' They were armed with rifles, and had marched all the weary way from beyond the Potomac, to have a hand in driving the British out of Boston. General Washington was riding out to inspect the intrenchments, and met the brave riflemen. General Morgan saluted the commander-in-chief. 'From the right bank of the Potomac, general!'"—Coffin, 1879

From the Right Bank of the Potomac

"One day there came marching into camp a regiment from Virginia, from the beautiful valley of the Shenandoah.…

"The Old South Meeting-house was used for a riding school."—Coffin, 1879

The Old South

"The Old South Meeting-house was used for a riding school."—Coffin, 1879

An American soldier who recovered the South Carolina flag and temporarily restored it during a battle in 1776.

Sergeant Jasper

An American soldier who recovered the South Carolina flag and temporarily restored it during a battle…

"There were thirty-seven men-of-war, and more than four hundred transport ships, besides the boats. The war-ships stood in toward Gravesend Bay, opened their port-holes, ran out their guns, opened fire, and threw shot and shell on shore."—Coffin, 1879

The British Fleet in the Lower Bay

"There were thirty-seven men-of-war, and more than four hundred transport ships, besides the boats.…