Pyrometer (0709)
Index: 0709
Year: 1936
Maker: Pyro ? USA ?
Dimensions: 21 x 12 x 12 cm (box)
Info
Pyrometer with range from 5 to 10 and 7 to 14 in hundreds of °C. The higher scale was with the use of an extra filter (as far as I understand) which is not in the box.
Inscriptions on plaque:
Ets VAN DER HEYDEN S.A.
49, Rue du Marais, 49
BRUXELLES
Inscriptions on inside lid:
Gebrauchsanweisung
Zür Pyro Nr 9322 (see image)
(seen the insctructions are German, this could be the distributor/seller)
Inscriptions on lower lid:
"Pyro" Nr 9322
gepruff am 15.10.36
Messbereich
Correction table (all 0)
