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Continue ShoppingProportional Divider (Weems & Plath 4548)
The Proportional Divider can be used to accurately calculate speed-time-distance . Using this divider, any distance picked off a chart between divider points can be immediately converted to speed or time. Points can also be easily transferred between different scale charts.
Length: 8 in (20.32 cm)
Width: 0.5 in (1.27 cm)
Height: 0.3 in (0.76 cm)
Weight: 0.3 lb (0.76 cm)
UPC Code: 721002045485
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