Antique iron case rimless design pressure gage, 0-70 pound face marked at bottom the Ashcroft Co Boston, Mass.  Advertising black face for United States heater company. Detroit U S.A. Altitude Guage. mounted on pipe flange with fittings as shown, untested condition, hand on zero, sold for parts or display only, testing and use buyers responsibility. Photo is of item you will receive, no returns on old vintage parts, thanks for looking.