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MAISON JULES DUBOSCQ & PELLIN à PARIS

The item was sold for 286

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MAISON JULES DUBOSCQ & PELLIN à PARIS
Total radiation pyrometer for remote measurement of high temperatures.
Brass and blackened brass, wooden base.
Circa 1885
34 x 20 x 17 cm
Enclosed:
- A gas burner with optics, probably for studying the diffusion speed of a flame
- A brass gas burner, cast-iron base