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Large Concave Mirror

L.O.13. (old departmental catalogue number in aluminium paint). 79a (Prof. Anderson's 1780 account of Prof. Dick's catalogue, varnished lettering.

MANU Unsigned. early 18th century This demonstration apparatus consists of a large spherical concave mirror mouted in a circular frame on an oak stand. The height of the mirror is adjustable and it can rotate about its horizontal axis. When approacheā€¦