Fixed Triangular Head T Square
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“To enable the drawing of long parallel, the head must have been a long contact surface with the edge of the board. It must also be wide enough to hold the blade stiffly.” —Grimshaw, 1902
Keywords
T-square, T-squares, Mechanical Drawing Tools, Fixed Triangular Head T-square, Fixed Triangular Head T Square, Fixed Triangular Head tsquareGalleries
Mechanical Drawing ToolsSource
Grimshaw, Robert Modern Workshop Hints (Philadelphia, PA: Sampson Low Marston & Company LTD, 1902)
Downloads
1902×2400, 262.7 KiB
811×1024, 30.4 KiB
507×640, 16.2 KiB
253×320, 6.8 KiB