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Home > Museum and Artwork > Black metal diaphragm & Concave lens (-10D)

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Title

Black metal diaphragm & Concave lens (-10D)

Description

A photograph of an instrument divided radially into degrees. 3cm in diameter, with central slit 1.5cm long. and the other instrument with1cm in diameter, enclosed in a 3cm in diameter black rim. Rests in the base of the case, in a fitted compartment, located with a 2mm wide purple elastic webbing.

Date

c.1900s

Identifier

2008/4/3/4-5

Black metal diaphragm & Concave lens (-10D)

Files

 Black metal diaphragm &amp; Concave lens (-10D)<br /><br />
<br /><br />

Collection

Citation

“Black metal diaphragm & Concave lens (-10D),” Heritage, accessed April 1, 2023, https://heritage.rcpsg.ac.uk/items/show/1991.