Antique Esco Hand Operated Air Pump For Diving For SaleI believe this hand operated pump is for use with an old time diving suit with the big helmet. Made by ESCO on Broadway New York City. Cylinders are about 2" and 3-1/2" diameter. Handle is cut off flush with socket and the entire pump is totally seized and rusted solid. This could possibly by freed up and restored if you work at it, or maybe best left as a static display? You can decide, I have made no attempts. Weight is 22 pounds.
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