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M-102

Trigonometer part: t-square

T-square M-102 fits onto sector M-93 to form one instrument. T-square with trapezoidal stock; inner (bar side) edge has shank that would fit in a side groove on a drawing or plane table, enabling the T-square to slide along the edge. Stock has decorative engraving. Bar sits on top of stock and is riveted in place. Upper edge of bar is sloped to form straight edge. A scale of equal parts (0-580, by 1) reads to the sloped upper edge.

Unsigned.

Italy or England

	Imperial(in)		Metric(cm)
Height			0.7
Width			32.2
Depth			7.1
Diameter
Circumference

	Imperial(in)		Metric(cm)
Height
Width
Depth
Diameter