OLSEN TESTING MACHINES AND INSTRUMENTS, BULLETIN NO. 1; HARDNESS TESTING MACHINES

Philadelphia, PA: Tinius Olsen Testing Machine Co., 1927. Soft cover. Near Fine. Item #52943

40 pages with illustrations and information on Olsen hardness testing machines for applying Brinell loads, or other loads as may be described, plus listing of parts. Laid in are three folded sheets of testing machines. Bound in blue and gold card covers. A near fine copy.

Price: $30.00