Erie never made this air meter, it was made by the Romert Company and was called the Arno, it is the model 41. Erie just purchased them from Romort. They had Romort put their name on the glass front, and changed the model number from 41 to 5241. Even this brochure used Romorts pictures and is almost identical to the Romort brochure for the 41. Seven versions of the 41 are shown.
Original, 8 pages, in very nice condition, no stains rips or tears. $30.00 shipped.
NO PMs, email only at: jhsim@petrocollect.com
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Jack Sim