CV119 bolometer indicator
The specs for this bolometer indicate the filament is tungsten, 0.15mm diameter wound and annealed to dull red on 0.56 mandril. Two 15mm lengths of the close wound spiral are stretched to 35mm and welded to the supports, then stretched to 37mm. Finally they are stretched to 40mm when sealed in. The filaments are 4mm apart.
This file was last modified
23:10:14, Wednesday February 23, 2022