The COCHRANE HEATERS for Heating & Purifying Water for Boiler Feed, Manufacturing, & other Purposes. By Harrison Safety Boiler Works, Philadelphia, Pennsylvania. Books / Paperback Science, Technology, Engineering, Mathematics › Trade Catalogs Publisher: Harrison Safety Boiler Works, Philadelphia, PA, January 1895 Price $34.79 Free Shipping Send to a friend Used - Good Good condition. Covers soiled; dealer's name stamped on front cover. (boilers, heaters, catalog) $34.79 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.