Collection

Jacques Abady

occupation:
Photometrist
Nationality:
French
born in:
France

Patented type of flicker photometer with Simmance 1900s

Related Objects

Simmance-Abady type Flicker photometer by Nalder Brothers & Co. (photometer)

Simmance-Abady momentary flash lamplighter's torch for incandescent gas street lighting (torch)

Copy of "Simmance & Abady's Copyright Tables of Corrections for Harcourt's 10-candle Pentane Lamp" (Tables)

Simmance-Abady Flicker photometer by Nalder Brothers & Co. (photometer)