Porte-lumiere after Gambey

It consists of a clock mechanism with a frame for a mirror.
The mirror is missing.

Functioning:
The mirror reflects the sunlight providing thus a light source for optics experiments. The clock mechanism follows the movement of the sun in order to keep the reflection focused.

Data

Inventory Number: 

OPT14

Date: 

1850 (c.)

Dimensions: 

length : 32cm, Height : 52cm, Wheel diameter : 17cm

Maker: 

Instrument Categories: 

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