Appel & Henderson 4 Tube A.C. Get a print! $8.00 Add to Cart Product Information: Model:4 Tube A.C. Manufacturer:Appel & Henderson Schematic Pages Page 1 Schematics Content Page 1: Appel & Henderson 5 Tube A.C. 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!