 | American School (Chicago, Ill.) - Engineering - 1906 - 586 pages
...many blots and think at first that it is hard to make a tracing. After a little practice, however, he will find that the tracing cloth is very satisfactory...mounted on a track or on some sort of a swinging arm, so that it may readily be run in and out of a window. The print is made on paper prepared for the purpose... | |
 | Ervin Kenison - Mechanical drawing - 1906 - 54 pages
...possible, but when an erasure must be made a good ink rubber or typewriter eraser may be used. If tho erased line is to have ink placed on it, such as a...mounted on a track or on some sort of a swinging arm, so that it may readily be run in and out of a window. The print is made on paper prepared for the purpose... | |
 | Howard Monroe Raymond - Machine-shop practice - 1906 - 716 pages
...placed on it, such as a line crossing, it is better to use a soft rubber eraser. All moisture should bo kept from the cloth. Blue Printing, The tracing, of...mounted on a track or on some sort of a swinging arm, so that it may readily be run in and out of a window. The print is made on paper prepared for the purpose... | |
 | American School (Lansing, Ill.) - Architectural drawing - 1906 - 426 pages
...eraser. All moisture should be kept from the cloth. Blue Printing, The tracing, of course, cannot be Bent into the shop for the workmen to use, as it would...with padding of soft material, such as felting. To tins is hinged the cover, which consists of a frame similar to a picture frame, in which is set a piece... | |
 | Drawing - 1906 - 424 pages
...it. These copies are made by the process of blue printing in which the tracing is used in a maniuT similar to the/ use made of a negative in photography....mounted on a track or on some sort of a swinging arm, so that it may readily be run in and out of a window. The print is made on paper prepared for the purpose... | |
 | American School (Chicago, Ill.) - Engineering - 1906 - 580 pages
...necessary to have some cheap and rapid means of making copies from it. These copies are made by tho process of blue printing in which the tracing is used...padding of soft material, such as felting. To this ia hinged the cover, which consists of a frame similar to a picture frame, in which is set a piece... | |
 | Alfred E. Zapf - Drawing - 1907 - 472 pages
...and become discouraged with his first attempt to make a tracing. After a little practice, however, he will find that the tracing cloth is very satisfactory...mounted on a track or on some sort of a swinging arm, so that it may readily be run in and out of a window. The print is made on paper prepared for the purpose... | |
 | American School (Lansing, Ill.) - Architecture - 1907 - 360 pages
...J3 g -4 oo ?o _j X =J <1 first that it is hard to make a tracing. After a little practice, aowever, he will find that the tracing cloth is very satisfactory...mounted on a track or on some sort of a swinging arm, so that it may readily be run in and out of a window. The print is made on paper prepared for the purpose... | |
 | 1907 - 474 pages
...may be used. If the erased line is to have ink placed on it, such as a line crossing, it is beti.er to use a soft rubber eraser. All moisture should be...mounted on a track or on some sort of a swinging arm, so that it may readily be run in and out of a window. The print is made on paper prepared for the purpose... | |
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If the erased line is to have ink placed on it, such as a line crossing, it is better to use a soft rubber eraser. All moisture should be kept from the cloth. Blue Printing. The tracing, of course, cannot be sent into the shop for the workmen to use,... 
