Sparks-Withington Co. 1003 Get a print! $8.00 Add to Cart Product Information: Model:1003 Manufacturer:Sparks-Withington Co. (Sparton) Description:12L7 Schematic Pages Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 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!