Show educational MOTION PIC PICTURE TURE FILMS two new educational motion picture films are announced as being ready for di distribution trib ution by the united states bureau of mines A dollar saved is a dollar earned is the title of a film produced in operation cooperation co with the national association of pipe covering industries this film shows the advantages and economy that result resift when pipes and boilers are properly insulated and the radiation losses are thus overcome the story of ingot iron a three reel picture showing the various steps in the process of making ingot iron for plates and sheets was produced in operation cooperation co with the american rolling mills company of middletown dle town ohio requests for the loan of these films should be addressed to the bureau of M Mines nes forbes street pittsburgh pa 7 |