For 200, 250 or 260 watt lamps. Slider for adjusting voltage. In carrying case. Lamp resistance for Kodascopes A, B, K
Varley Bi-duplex 50 K wire wound resistor in vertical baseboard holder with original packing carton. Varley Bi-duplex 50 K wire wound resistor
Pathex resistor for Pathescope Baby Projector. Pathe, France. 2 variable resistances, in metal case; adjustable stops for sliders, ammeter, in lamp circuit, see 0961 Pathex resistor for Pathescope Baby Projector. Pathe
Box of resistors, and holders (approx 40, see note) Manufacturer unknown A box of resistors and holders
Resistance box, c.1910. Post Office resistance box, keys and connectors bars. Post Office resistance box circa 1910
Drops voltage from 200-260v to 110v; input setting adjustable. Kodak Resistance for Model K-50, K-75 Kodascopes
Resistance for arc lamp. Fixed resistance coil wire wound on fireclay former (used with arc lamp, 1990-5036/245). Resistor for Arc Lamp
Potential Dividing Resistor, manufactured by Ambridge Instrument Company Limited. Dividers are set within a wooden frame and white cables are attached. Potential dividing resistor