A conventional break symbol for a round section to use as a shortcut in shortening the length of the…
A shortcut drawing pipe or tubing conventional break to draw a pipes and tubes by shortening the length…
The conventional break symbol for drawing a pipe or tubing by cutting the diameter in half.
A side view of Osborn, or standard, symbol for riveting.
The standard standard symbol for field riveting, or Osborn symbol for field riveting.
A large scale riveting illustration showing the length of the rivets for Osborn symbol for riveting.
"An object in parallel perspective with one face in the picture plane is shown. At B is shown the top…
Bread knifes can be made out of several different materials, This knife is apparently made from metal…
A front view of a typical 1911 two story residence illustrating conventional symbols for drafting.
A perspective view of the shoreline illustrated by using contour lines.
A trommel is a screened cylinder used to separate materials by size, separating the biodegradable fraction…
A profile is cross sectional view, or side view, showing elevation at a given distance. The illustration…
An example of the cylinder shaded by lines. The area without lines are where the light hit the cylinder.…
"A row of cylinders of different sizes. The effect of polish is given by leaving several brilliant lines,…
Tightrope walking is the art of walking along a thin wire or rope, usually at a great height. One or…
Baby transport, child carrier, stroller, or pram consists of devices used for transporting and carrying…
An illustration of stabilizing the plane by setting the back wing at less angle of incidence than the…
A top view plan of a propeller aeroplane, or airplane. The plan shows the proper ribs and skeleton for…
A pusher aeroplane plan illustrating the proper ribbing and wiring for the plane. The wires are used…
A side view plan of a propeller aeroplane for two people. The plan illustrates the the proper location…
The interior view of the rectory in Market Deeping during the fourteenth century. The empty room contains…
An outside view of a fisherman's cottage in Somersetshire illustrating common architectural features…
The middle window is the tracery found on the St. John's Hospital, Northampton. The two faces on the…
An interior view of a merchant's parlour in Salisbury during the fourteenth century. The interior have…
The interior view of the Fisherman's Cottage in Somersetshire. The interior of the cottage have a window…
A close up view of a fourteenth century gabled house in Weobly, Herefordshire. The gabled house illustrates…
An outside view of the spherical triangle from a church. The window has three rounded parts in a shape…
An illustration of a boring rod by using a hand cranked lathe. This device creates a cylinder with a…
The illustration showing a large boring tool for heavy work to create a cylinder with 10 inch diameter…
A method to create steel balls by inserting the sphere in a hollow cylinder and rotating the ball with…
"This attachment, which may be readily affixed to any lathe, consists of a lever that is attached to…
A tool used to make holes in metal cylindrical bearing surface, or bushings. The holes are created by…
"Where the head is movable, the pivot should be quit large, and the hole in which it plays be bushed…
A front and side view of a t square with rectangular head. The t square is used draw straight lines…
The Queen Elizabeth class of 1912 powered by steam. The battle ship have two chimney stacks to burn…
An underground section of the infantry work at Mettz Feste Fort. The underground tunnels leads to the…
A pipecutter is a type of tool used by plumbers to cut pipe. Besides producing a clean cut, the tool…
A side view of the Mark IV Tank showing the interior mechanical components. The tank went into production…
The top interior view of the Mark IV Tank showing the belt drive and other mechanical parts to move…
A plan illustrating the interior side view of Medium Mark A tank. The plan shows a detailed schematic…
A cross sectional view of tapping a crucible in thermit welding. The crucible is placed over a mold…
The illustration shows a cross sectional close up view of a straight side rim and tire. The metal piece…
An schematic illustration of the 3 inch Stokes mortar. The mortar is made out of steel and screwed onto…
The illustration shows a schematic view of the Stokes Mortar being mounted onto the bipod. The mortar…
A light carriage minenwerfer class mortar used for direct fire. The barrel and the shifting lever is…
A rectangular cube drawn by using oblique projection. The original cube was projected parallel at a…
The illustration of the side view of the oblique timber inserted into the horizontal timber. The drawing…
A isometric drawing of the oblique and horizontal wood combined together. The image is drawn by creating…
A rolled out, or development, of the cylinder. The development is created by drawing the top curve with…
A development, or rolled out image, of two cylinders intersecting each other. The large rectangular…
An illustration of two intersecting cylinders viewed from the side, top, and side of the intersecting…
Auxiliary planes of two intersecting cylinder is drawn by drawing the first cylinder. Revolve the first…
A sliced view at point VW, shown in the top figure. The inside view of the cylinders shows the points…
An outside view of two cylinders intersecting in an auxiliary plane. The dotted lines is the center…
A sled is a sliding vehicle designed to transport passengers and/or cargo by using a running mechanism…
The illustration detailing of a screw thread. Threads are created by drawing a cylindrical shape at…