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Scientific Instruments


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Drawing Instrument For Conic Sections (1627)


[Instruments] BRAMER, Benjamin. Instrumentum Conicum Universale. Kassel, 1627.

Very rare first and only edition of this separately published broadside, describing an instrument for drawing conic sections invented by one of the most prolific architects and mathematicians of early seventeenth-century Germany.
$6,500





Instrument Book With Do-It-Yourself Compass


[INstruments] GALGEMAIR, Georg. Herrn Georgii Galgemairs Kurtzer gründlicher gebesserter unnd vermehrter underricht/ Zuberitung und gebrauch/ Der hochnutlichen mathematischen Instrumenten/ Proportional Schregmäß und Circkels/ benebens dem fundament deß visierens. Ulm, Joseph Meder, 1615.

Second, greatly expanded edition of a primer describing the construction & use of two instruments—a proportional compass (Circkel) and lineal compass (Schregmäß)—for the measurement of geometrical solids and lines, respectively.
$4,850





The Invention of the Air Pump and the Electric Generator


GUERICKE, Otto von. Experimenta Nova (ut vocantur) Magdeburgica de Vacuo Spatio Prim R. P. Gaspare Schotto.... Amsterdam, J. Janssonium a Waesberge, 1672.

First edition, and a fine copy, of one of the great classics of science.
$65,000





An Unusually Fine Example Of An Early American Backstaff


HAM, James. Backstaff, fruitwood frame with two boxwood arcs. 1759.

Rare, early American-made back-staff, one of the principle
instruments of navigation throughout the 17th and 18th centuries.
$22,500






Broadside Sales Catalogue
Of Artists’ Drawing & Optical Instruments
Including Galileo's Sector


LUSVERG[H], Domenico. Notta delli Stromenti Piu Generali. n.p. [but Rome?], [c. 1698].

Extremely rare survival of an illustrated and priced broadside sales catalogue advertising the diverse scientific and drawing instruments manufactured by Domenico Lusvergh in Rome.
$12,500





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