Title
Resistance box
Identifier
ABDNP:201372a
Description
Double track resistance box with varnished wooden box, 12plugs introducing 1, 2, 3, 4, 10, 20, 30, 40, 100, 200, 300, 400 ohms. Side PS BT Units, no. 2590 "Right at 15.5 C".
Date
1880-1910
Format
width 395 mm by depth 115 mm by height 170 mm high
Coverage
London
Creator
Elliott Bros