I have not taken anything apart or cleaned , polished or restored in any way that's up to the new owner! This is a Classic Boat Part that is great for use as it was intended or Display!! The Dates I put in this ad of Manufacture are my best estimate from research I did. This could have been on any larger size boat back in its day! The item "Vintage 1920- 1935 MARINE HALF MILE RAY SPOTLIGHT # 833 CRISCRAFT WOOD BOAT" is in sale since Sunday, April 03, 2016.This item is in the category "eBay Motors\Parts & Accessories\Boat Parts\Electrical & Lighting". The seller is "johndreherjohn" and is located in Brielle, New Jersey. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to New Zealand, PH, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY.