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This Photo Chain Scale is a great choice for foresters, surveyors and other professionals that want to read aerial photos and maps in chains of multiple photographs.
It is constructed of white vinyl, and measures 6-1/4”L x 1”W. The scale is graduated on both sides, with the following scales. Reads directly in: 1: 12,000 (1” = 15 chains) Chains 1...
Rapid Rules are an ingeniously simple improvement over the flat and triangle scales. It's unique shape instantly identifies the scale edge. Simply rotate the scale rod to locate the needed scale. Once located, it is retained...ready-to-use, every time you pick it up. All six scales read from left-to-right and read only one scale at a time.
Solid plastic scales with die engraved graduations and colour coded grooves for easy scale identification. 12" long. Available in either Imperial or Metric.