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(1827-1908) American author that wrote works such as Commentaries on Romans and on Galatians and Colossians; The Calling of a Christian Woman; The Seven Deadly Sins; The Sacramental System, and Lectures on the First Prayer-Book of Edward VI

Morgan Dix

(1827-1908) American author that wrote works such as Commentaries on Romans and on Galatians and Colossians;…

(1834-1926) Educator who became president of Harvard and presided over a period of great growth which included the introduction of the elective system and the teaching of women.

Charles W. Eliot

(1834-1926) Educator who became president of Harvard and presided over a period of great growth which…

(1578-1657) English physician who published his treatise on the circulatory system in 1628.

William Harvey

(1578-1657) English physician who published his treatise on the circulatory system in 1628.

This is a tenor trombone having instead of the slide a system of pistons, like those of the horn and cornet, which renders it much more manageable.

Trombone A Piston

This is a tenor trombone having instead of the slide a system of pistons, like those of the horn and…

Lawyer arguing case before a judge.

Courtroom

Lawyer arguing case before a judge.

The colt's mouth at two years of age.

Horse Jaw

The colt's mouth at two years of age.

The mouth of a colt at two and a half years old.

Horse jaw

The mouth of a colt at two and a half years old.

The mouth of a colt at three years old.

Horse jaw

The mouth of a colt at three years old.

The side view of the jaw of a three year old colt.

Horse jaw

The side view of the jaw of a three year old colt.

The side view of the jaw of a four year old colt.

Horse jaw

The side view of the jaw of a four year old colt.

The mouth of a colt at four years old.

Horse jaw

The mouth of a colt at four years old.

The mouth of a colt at four and a half years old.

Horse jaw

The mouth of a colt at four and a half years old.

The mouth of a horse at five years of age.

Horse jaw

The mouth of a horse at five years of age.

The mouth of a horse at six years old.

Horse jaw

The mouth of a horse at six years old.

The mouth of a horse at seven years old.

Horse jaw

The mouth of a horse at seven years old.

The mouth of a horse at eight years old.

Horse jaw

The mouth of a horse at eight years old.

The mouth of a horse at twenty years old.

Horse jaw

The mouth of a horse at twenty years old.

The mouth of a horse at thirty years old.

Horse jaw

The mouth of a horse at thirty years old.

Nervous system of crayfish.

Crayfish

Nervous system of crayfish.

The nervous system of a clam.

Clam

The nervous system of a clam.

Circulatory system of a perch.

Perch

Circulatory system of a perch.

A ventral view of a frog's internal nervous system.

Frog

A ventral view of a frog's internal nervous system.

The common starfish is a five rayed star. The central body is called the disk and the arms are the rays. This is the water tube system of the starfish.

Starfish

The common starfish is a five rayed star. The central body is called the disk and the arms are the rays.…

Digestive system of a mammal. (g) gullet; (s) stomach; (sm) small intestine; (lm) large intestine; (r) termination of the large intestine.

Digestive system

Digestive system of a mammal. (g) gullet; (s) stomach; (sm) small intestine; (lm) large intestine; (r)…

Part of the central nervous system found in the skull.

Brain

Part of the central nervous system found in the skull.

Dahlgren was a naval officer and inventor. He invented the Dahlgren gun and wrote many books.

John A. Dahlgren

Dahlgren was a naval officer and inventor. He invented the Dahlgren gun and wrote many books.

The System of Arc Lights is a device used to obtain electric light by conducting a current of electricity through a resisting medium, as a gas or a carbon wire.

System of Arc Lights

The System of Arc Lights is a device used to obtain electric light by conducting a current of electricity…

The System of Incandescent Lights is a device in which electric light is obtained by conducting a current of electricity through a resisting medium, as a gas or a carbon wire.

System of Incandescent Lights

The System of Incandescent Lights is a device in which electric light is obtained by conducting a current…

The blood is made to circulate within the system of closed tubes in which it is contained by means of the alternate contraction and relaxation of the heart.

Blood Circulation

The blood is made to circulate within the system of closed tubes in which it is contained by means of…

Diagram of the upper half of a male human showing the routes of the nervous system.

Human Nerve System

Diagram of the upper half of a male human showing the routes of the nervous system.

The griffin, a monster with a lion's or panther's body and the head and wings of an eagle, played an important part in the Assyrian system of religious symbolism.

Assyrian Relief Sculpture

The griffin, a monster with a lion's or panther's body and the head and wings of an eagle, played an…

"View of Savannah, Ga., looking east, toward Fort Jackson. Savannah, the entry port of Georgia, is built on a sandy plain, forty feet above low-water mark. It is the centre of a very extensive system of railroads, which contribute greatly to its commercial importance. As a harbor for blockade runners it was not of much importance after Fort Pulaski fell into the Federal hands. Savannah was founded by General Oglethorpe in 1732. The river is navigable for steamers up to Augusta, 230 miles from its mouth, Savannah itself being 18 miles from the sea. Our view was taken from the cupola of the Exchange, looking east, with Fort Jackson on the left."— Frank Leslie, 1896

Savannah, Georgia, Looking East

"View of Savannah, Ga., looking east, toward Fort Jackson. Savannah, the entry port of Georgia, is built…

Nodules on the root system of a bean plant where nitrogen-fixing bacteria live.

Nodules, root

Nodules on the root system of a bean plant where nitrogen-fixing bacteria live.

Nodules on the root system of a hairy vetch.

Nodules, root

Nodules on the root system of a hairy vetch.

Diagram illustrating an irrigation system.

Irrigation system

Diagram illustrating an irrigation system.

"Moses G. Farmer, inventor of the fire-alarm system."—E. Benjamin Andrews 1895

Moses G. Farmer

"Moses G. Farmer, inventor of the fire-alarm system."—E. Benjamin Andrews 1895

The American Elevated Railroad System diagram.

American Elevated Railroad System

The American Elevated Railroad System diagram.

The Cook System single rail type.

Cook System

The Cook System single rail type.

The Cook System single rail type.

Cook System

The Cook System single rail type.

The Romanoff railway system, a single rail type.

Romanoff System

The Romanoff railway system, a single rail type.

A refrigeration technique using ammonia.

Direct Expansion System

A refrigeration technique using ammonia.

A refrigeration technique.

Direct Expansion System

A refrigeration technique.

"Catapult from the Roman military system. The Roman army was divided into legions, each of which contained about 6,000 men, although at first the number was much smaller. Each legion was in turn subdivided into ten cohorts. Besides the legionary soldiers, the army comprised bodies of auxiliar troops from the provinces or the allies of Rome. The common weapons were the pilum, or javelin, and a short sword, but slings and bows were also used."—Colby, 1899

Catapult

"Catapult from the Roman military system. The Roman army was divided into legions, each of which contained…

"Martin Luther was born at Eisleben in 1483. He was the son of a poor miner, had entered the Augustinian order, and had become professor of theology at Wittenberg. In the course of his studies he had come to question the practice of the Church in regard to the whole system of penance. Up to this time, however, he had made no open protest, but Tetzel's course in Germany impelled him to public opposition. In 1517 he nailed to the church door at Wittenberg ninety-five theses or propositions, appealing to men's consciences against the practice of 'selling forgiveness.' The widespread discontent in Germany gave to these theses an instant publicity. They were printed and scattered broadcast throughout the country. In them Luther showed no intention to break with the authority of the Roman Catholic Churrch. They were merely propositions for dispute, and he nailed them on the Church door as a challenge to any disuputant who might be willing to argue against them. disputants soon appeared, and the first thing they did was to appeal to the authority of the Church. This led Luther, at first, to question and finally to deny the authority of the Church, as resting not on a divine but on a human basis. He said that the Church was not the source of divine truth, and that the Bible was the sole source. The Reformation now entered on its first phase."—Colby, 1899

Martin Luther

"Martin Luther was born at Eisleben in 1483. He was the son of a poor miner, had entered the Augustinian…

"Queen Elizabeth was the daughter of Henry VIII, by Anne Boleyn. Her reign is one of the most remarkable in English history. It lasted from 1558 to 1603, and in those years England's glory was brighter than it had ever been before. Elizabeth was not extreme in her religious views. she was probably lacking in religious feeling, but on the whole, inclined toward the Protestant system, though not biitter against the Roman Catholic Church. Accordingly, the Church of Elizabeth was less Protestant than that of Edward VI, but did not retain the Roman Catholic doctrines of the Church of Mary and Henry VIII. It was a Protestant Church, but kept the old forms of worship."—Colby, 1899

Queen Elizabeth

"Queen Elizabeth was the daughter of Henry VIII, by Anne Boleyn. Her reign is one of the most remarkable…

"The digestive sac, tract, or tube of any animal; the visceral or intestinal cavity."-Whitney, 1902

Alimentary Canal

"The digestive sac, tract, or tube of any animal; the visceral or intestinal cavity."-Whitney, 1902

"Thomas Alva Edison was born at Milan, Ohio, February 11, 1847, but the family soon after moved to Port Huron, Michigan. He had to earn his living from early boyhood, and was a train boy on a railroad. A station master, whose child's life Edison had saved, taught the boy telegraphy, and in this art Edison quickly became an expert. In 1868 he chanced to be in New York when the indicator of a gold and stock company was broken, and he not only repaired it, but in doing so struck out a new invention, the printing telegraph. He sold his invention in 1876 and established himself at Menlo Park, New Jersey, where he built workshops for carrying out experiments in the application of electricity. It would take a very long paragraph even to name the devices and inventions which have followed, the most far-reaching being, perhaps, his system of electric lighting, his microphone, and the phonograph."—Scudder, 1897

Thomas Alva Edison

"Thomas Alva Edison was born at Milan, Ohio, February 11, 1847, but the family soon after moved to Port…

"A Block is a pulley or a system of pulleys rotating on a pintle mounted in its frame or shell with its band and strap. There are many kinds of blocks, as a pulley block, a fiddle block, a fish block, a fly block, a heart block, a hook block, etc. A block and tackle is the block and the rope rove through it, for hoisting or obtaining a purchase."—(Charles Leonard-Stuart, 1911)

Block and Tackle

"A Block is a pulley or a system of pulleys rotating on a pintle mounted in its frame or shell with…

"The Brain is the encephalon, or center of the nervous system and the seat of consciousness and volition in man and the higher animals. Median Longitudinal Section through Head and Upper Part of Neck, to Show relation of Brain to Cranium and the Spinal Cord. <em>c,</em> cerebrum; <em>cb,</em> cerebellum; <em>sc,</em> spinal cord; <em>spc,</em> spinal column; <em>mo,</em> medulla oblongata passing, through foramen magnum, into the spinal cord; <em>pv,</em> pons Varolii; <em>cp,</em> cerebral peduncles or crura cerebri; <em>cqa,</em> anterior corpora quadrigemina; <em>cqp,</em> posterior corpora quadrigemina; <em>pg,</em> pineal gland; <em>pb,</em> pituitary body; <em>cc,</em> corpus collosum, divided transversely; <em>f,</em> fornix; <em>mg,</em> marginal gyrus; <em>gf,</em> gyrus fornicatus; <em>cmg,</em> calloso-marginal suleus; <em>O,</em> occipital lobe; <em>po,</em> parieto-occipital fissure; <em>cf,</em> calcarine fissure; <em>dm,</em>dura mater, separating cerebrum from cerebellum."&mdash;(Charles Leonard-Stuart, 1911)

Human Brain

"The Brain is the encephalon, or center of the nervous system and the seat of consciousness and volition…

"Copernicus, or Nicholas Koppernigk, was the founder of modern astronomy. From a school in Thorn Copernicus went to Cracow, where he studied medicine, theology, mathematics, and astronomy. He latterly came to the following conclusions: That the sun was the center of the system; that the earth was a planet like Mars and Venus; and that all the planets revolve round the sun."&mdash;(Charles Leonard-Stuart, 1911)

Globe of Copernicus

"Copernicus, or Nicholas Koppernigk, was the founder of modern astronomy. From a school in Thorn Copernicus…

"A Flying Machine is a device for enabling man to navigate the air. The feat of flying has been often attempted; even among the ancients it was tried, and we are informed, succeeded to some slight extent. The most notable modern experiments with a view to attaining this end have been conducted by Hiram Maxim, of England, constructing his machine on the plane system."&mdash;(Charles Leonard-Stuart, 1911)

Maxim’s Flying Machine

"A Flying Machine is a device for enabling man to navigate the air. The feat of flying has been often…

"Wireless Telegraphy is a system of transmitting messages between distant points without the use of wires."&mdash;(Charles Leonard-Stuart, 1911)

Wireless Telegraph Transmitter

"Wireless Telegraphy is a system of transmitting messages between distant points without the use of…

"Wireless Telegraphy is a system of transmitting messages between distant points without the use of wires."&mdash;(Charles Leonard-Stuart, 1911)

Wireless Telegraph Receiver

"Wireless Telegraphy is a system of transmitting messages between distant points without the use of…

"Showing the Relations of the Stomach, Liver, Intestines, Spleen, and other Organs of the Abdomen. <em>A</em>duodenum</em>; <em>B</em>, upper end of the small intestine; <em>C</em>, lower end of the small intestine; <em>D</em>, caecum; <em>E</em>, bladder. The liver and stomach are drawn up and portions of the lower intesting have been cut away." &mdash; Blaisedell, 1904

Digestive system

"Showing the Relations of the Stomach, Liver, Intestines, Spleen, and other Organs of the Abdomen. Aduodenum;…

"Diagram illustrating the General Arrangement of the Nervous System. (posterior view.)" — Blaisedell, 1904

Nervous System

"Diagram illustrating the General Arrangement of the Nervous System. (posterior view.)" — Blaisedell,…

"Saturn is the 6th of the major planets in order of distance from the sun, and the outermost known to the ancients. Its mean diameter is about 70,000 miles, its mean distance from the sun somewhat more than 872,000,000 miles, and its year or periodical revolution around the sun nearly twenty-nine and one-half years. Its mass is about 90 times that of the earth. Saturn is attended by ten satellites and surrounded by a system of flat rings, which are now supposed to be an immense multitude of small satellites mixed probably with vaporous matter."&mdash;(Charles Leonard-Stuart, 1911)

Saturn

"Saturn is the 6th of the major planets in order of distance from the sun, and the outermost known to…

The system of encampment among the romans was one of singular regularity and order.

Castra

The system of encampment among the romans was one of singular regularity and order.

"The Tapeworm is an intestinal worm, T&aelig;nia solium, in form somewhat resembling tape. Its length is from 5 to 15 yards, and its breadth from two lines at the narrowest part to four or five at the other or broader extremity. At the narrow end is the head, which is terminated anteriorly by a central rostellum, surrounded by a crown of small recurved hooks, and behind them four suctorial depressions; then follow an immense number of segments, each full of microscopic ova. The segments are capable of being detached when mature, and reproducing the parasite. There is no mouth; but nutrition appears to take place through the tissues of the animal, as alg&aelig; derive nourishment from the sea water in which they float. The digestive system consists of two tubes or lateral canals, extending from the anterior to the posterior end of the body, and a transverse canal at the summit of each joint. [Pictured] Portion of tapeworm, natural size, showing the alternating arrangement of the generative pores."&mdash;(Charles Leonard-Stuart, 1911)

Tapeworm

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length…

"The Tapeworm is an intestinal worm, T&aelig;nia solium, in form somewhat resembling tape. Its length is from 5 to 15 yards, and its breadth from two lines at the narrowest part to four or five at the other or broader extremity. At the narrow end is the head, which is terminated anteriorly by a central rostellum, surrounded by a crown of small recurved hooks, and behind them four suctorial depressions; then follow an immense number of segments, each full of microscopic ova. The segments are capable of being detached when mature, and reproducing the parasite. There is no mouth; but nutrition appears to take place through the tissues of the animal, as alg&aelig; derive nourishment from the sea water in which they float. The digestive system consists of two tubes or lateral canals, extending from the anterior to the posterior end of the body, and a transverse canal at the summit of each joint. [Pictured] A single segment or proglottis magnified; 1, generating pore; 2, water vessels; 3, dendritic ovary."&mdash;(Charles Leonard-Stuart, 1911)

Tapeworm

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length…

"The Tapeworm is an intestinal worm, T&aelig;nia solium, in form somewhat resembling tape. Its length is from 5 to 15 yards, and its breadth from two lines at the narrowest part to four or five at the other or broader extremity. At the narrow end is the head, which is terminated anteriorly by a central rostellum, surrounded by a crown of small recurved hooks, and behind them four suctorial depressions; then follow an immense number of segments, each full of microscopic ova. The segments are capable of being detached when mature, and reproducing the parasite. There is no mouth; but nutrition appears to take place through the tissues of the animal, as alg&aelig; derive nourishment from the sea water in which they float. The digestive system consists of two tubes or lateral canals, extending from the anterior to the posterior end of the body, and a transverse canal at the summit of each joint. [Pictured] Head of t&aelig;nia solium (enlarged)."&mdash;(Charles Leonard-Stuart, 1911)

Tapeworm

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length…