The spark plug coil measures 6 long from end to end with 7/8 pipe thread. The inside label on the lid is marked Type D Plug Coil, Conn. Last patent date Aug. 27 12, Meriden, Conn. On the outside brass lid ithas Connecticut Plug Coil Mfgd by Conn Tel. Patent dates are Aug 30 1904 and May 17 1910. The spark plug is slightly used and in very good condition. Please check pictures, these coils are very hard to find. A wonderful addition to your collection. The free listing tool. The item “Antique Car Connecticut Spark Plug Coil Type D Hit Miss Engine Boat Motor Ford” is in sale since Saturday, November 14, 2015. This item is in the category “Collectibles\Transportation\Automobilia\Spark Plugs”. The seller is “007landis” and is located in Souderton, Pennsylvania. This item can be shipped worldwide.
- Antique Car Connecticut Spark Plug: Coil Type D His iss Engine Boat Motor Ford