Canadian Marconi Co. Ltd. 21 Get a print! $8.00 Add to Cart Product Information: Model:21 Manufacturer:Canadian Marconi Co. Ltd. Schematic Pages Page 1 Page 2 Schematics Content Page 1: VOLTAGE AND CURRENT READINGS FOR Model 21 As read on a set tester. ( Line volts 115 A.C .) Page 2: Diagram of Connections Model 21 ( A.C .) Power Unit Please note: we carry a wide range of products which will fulfill the specifications above. Please use our search function or browse our products to find what you need!