Subcategories
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Plotting
Once an angle or position has been measured it needs to be plotted. Before plotting calculations may have to be performed. Some instruments combine the measurement function with a calculator or plotter allowing the measurement to be directly transformed into a plottable value.
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Measuring
These are the accesoires that are either required with an instrument or extentds its basic capabilities. Amongst these accesoires are tripods, staffs, prisms, levels and compasses.
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Other Acc.
Besides the instruments and their accesoires I have a number of models, pictures, coins and stamps in my collection depicting the 'real' instruments. I do not count replica's in this category as a replica is a recreation of a real instrument. The models are usually scaled down to give an impression of the real, full size, instrument.
