Adjustable Head T-square with Ruler

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An adjustable T-square to create straight lines at different angles with a ruler attached to the head.


French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)


TIFF (full resolution)

2400×1010, 147.9 KiB

Large GIF

1024×430, 23.7 KiB

Medium GIF

640×269, 12.7 KiB

Small GIF

320×134, 5.1 KiB