Drafting Appliance

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This is an architectural tool, which facilitates the use of drawing straight lines and right angles, similar to modern T-squares.


Government Printing Office Official Gazette (Washingon, DC: Government Printing Office, 1912)


TIFF (full resolution)

2400×1158, 379.7 KiB

Large GIF

1024×494, 55.7 KiB

Medium GIF

640×308, 26.9 KiB

Small GIF

320×154, 9.3 KiB