Hygrometer Jules Richard & Pékly (0468)
Index: 0468
Year: Around 1960's ?
Maker: Jules Richard & Pékly, Argenteuil, France
Dimensions: 41 x 26 x 15 cm
Info
Hygrometer Jules Richard & Pékly Type NG 5538. Combination of a temperature and a humidity enregistration logger. Speed is 1 revolution per day or 1 revolution per week. The stylus is interchangeable felt type.
Serial No 468667
Temperature range: -20 to +40 °C
Humidity range: 20 to 100 %HR
References/Links/More Info
Ultimheat Virtual Museum - Jules Richard & Pékly catalogue