What did I find? dual Winfield carbs model s

Ok the storys crazy I dug these out of a dumpster and I believe they are old ford carbs, I'm not to good with the really old stuff. Can any of you let me know what I got here year/Model ect.? and just for fun, what its worth? throttle bar and levers move freely, choke bar and levers move freely, everything is complete nothing is missing. It says on carbs, Winfield Model-S Winfield Carburetor CO. Los Angeles Detroit Patent No. 288398 also numbers SER-SA 77

Thanks everyone

Mike...

Well this is about all I can find http://www.classicandexotic.com/manu...carburetor.pdf , and the second picture on this page is deffinetly what I have, its cool that it says these were racing carbs in the side note on one of the pages. Still would like your guys input, it doesnt tell me what year of cars these were on or even what car for that matter... thanks...