ANTIQUE AMBU TYPE E TRUCK AUTOMOBILE AMBULANCE VOLTMETER Salvation Army Original 1920s all-brass trade sign

Original 1920s all-brass trade sign American Brass Company

" from the company's 1998 and 2007 productions of Wagner's Tannhauser

THIS FACILITY HAS BEEN DECLARED A RESTRICTED AREA ACCORDING TO A SECRETARY OF DEFENSE DIRECTIVE ISSUED 20 AUGUST 1954 UNDER THE PROVISIONS OF SECTION 21

Top rim of bottle is jagged

which is no longer being manufactured or sold

ANTIQUE AMBU TYPE E TRUCK AUTOMOBILE AMBULANCE VOLTMETER Salvation Army Original 1920s all-brass trade signA very unusual multifunction automotive meter, probably 1930s. Believed to be a meter for commercial vehicles such as trucks and ambulances. Made by American Bureau of Engineering (Ambu) Chicago. Featuring a voltmeter with a scale of plus and minus 2. 5 and 25 volts, four binding posts and a fuse holder. In addition there are three rings adjusted with three tabs around the bezel. These calibrate five settings around the dial labeled "Engine Running