Drawing and measuring instruments (1870.)
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Drawing and measuring instruments : Vol. I. : Optical instruments ; Vol. II. : Instruments employed in geometrical drawing and in the measurement of maps and plans; Instruments used for accurate measurement and for arithmetical computations / Heather, J. F. Mathematical Instruments Their Construction, Ajustment, Testing, and Use . London : Crosby Lockwood Staples, London, 1870., 1. izd.
