A Treatise On Mathematical Instruments: Including Most Of The Instruments Employed In Drawing, For Assisting The Vision, In Surveying And Levelling, ... Crystals: In Which Their Construction, And...

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A Treatise On Mathematical Instruments: Including Most Of The Instruments Employed In Drawing, For Assisting The Vision, In Surveying And Levelling, In Practical Astronomy, And For Measuring The Angles Of Crystals: In Which Their Construction, And The Methods Of Testing, Adjusting, And Using ...

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John Fry Heather

J. Weale, 1856

Angles (Geometry); Astronomical instruments; Mathematical instruments; Optical instruments; Surveying