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A brass spectroscope or spectrometer with three scopes and central prism; image credit on full record.
The scaled base; image credit on full record.
The brass spectroscope or spectrometer with three scopes and central prism; image credit on full record.
The central prism; image credit on full record.
The y-shaped foot; image credit on full record.
The prism; image credit on full record.

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Spectrometer; Brass, 3 Observation Scopes, Central Prism, Mahogany Case.

A surveyor's transit, American, late 19th century, brass. Sighting telescopes with scaled base. Together with a fitted mahogany case with single drawe... [more detail available via subscription]

p4A Item E8871618
Category:  science & technology    Origin:  America
Type:  laboratory equipment    Year:  1870 - 1900

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