Patt.41 (1952 - 1954)
100W Miniature Display Spotlight
Early version: Patt.41 is a 1000W portable photo flood (dates unknown)
Patt.41: Uses 115 Volt lamp on 200/240 Volt supply by having a built-in resistance. 14-42 degrees. 3.5 inch diameter fresnel lens, 2.5 inch diameter reflector.
Patt.41T: 115V version (with no resistance, and external transformer).