Rectifier used for charging 1-3
storage cells. Input voltage 220 volts. Recommended
tubes:
Philips 451 and 452. In this picture the 328 and 452
tubes are used. Made by N.V. Transformer-Works, Nieuwe Uilenburgerstraat 40 in
Amsterdam. This firm also made the battery eliminator
"Transforma".
Data
Tubes
Made in:
1929
Purchased in:
2009
Assembly room of the
Transforma factory, Baarsjesweg 158, Amsterdam in 1927. Later
that year the company would move to Nieuwe Uilenburgerstraat 40.
A number of new transformers is visible on the table, behind the
workers. Child labour was still common.
Advertisement in Nieuwe Rotterdamsche Courant,
September 23rd, 1929
