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FIRST CHOICE FOR MECCANO MODEL BUILDERS

Planimeter

(Code: MP189)
6.90
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PlanimeterThese instructions describe the construction and use of this precision instrument for determining the area of any two-dimensional, regular or irregular shape scale drawing by tracing around its outline. This amazing device was originally designed by H.F. Lane using abstruse applied mathematics, way beyond the comprehension of the author. It was first published in the No. 3 1929 Meccano Magazine. However, the author Freddie Nicholls, with over 70 years Meccano experience, has extensively redesigned it, and included a much larger Scale to improve the accuracy and readability from above. Correctly built and calibrated, it can actually be used as a Planimeter when run on the correct base materials. The accurate Scale, which is the 'heart' of this device, was the most difficult part to reproduce and two high quality scales, with detailed instructions for mounting, are included in the ModelPlan. Please note these Model Plans are designed by individual Meccano modellers and may use parts not currently available. The level of instruction detail is dependent on the original modeller and varies from plan to plan. These are instructions only.