C-Thru Ruler Douglas Protactor Placom - C-Thru Ruler
W43 - PROTRACTOR RULER PLAIN SCALE Transparent 180deg protractor ruler with 1:500 and 1:1000 metre scales. Laminated for durability. W44 [ Back to top ] - Douglas Protactor
Douglas Protractor™ & Parallel Rule The patented original, quick and easy to use. 5" Square, 360°, transparent navigational protractor. [ Back to top ] - Placom
Placom KP-90N Digital Planimeter Digital Planimeters can be used to quickly calculate a figure in comprehensive units (cm ², m², km², in², ft², acre). By simply tracing the outline of a drawing the area is measured and the mean & cumulative values are displayed, the measurement can then be converted into any new scale/value. Used in a wide variety of applications including construction, civil engineering work, land development planning, agricultural and forestry work. C/w rechargeable battery, AC adaptor & carrying case. [ Back to top ]
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