|
US2442150A
|
|
Control for recording platen in tensile testing machines
|
|
US2493836A
|
|
Means for proportioning pull to specimen size
|
|
US2327139A
|
|
Holding means for test specimens
|
|
US2335455A
|
|
Transmission of motion to cylindrical drums
|
|
US2329679A
|
|
Recording means for testing machines
|
|
US2286651A
|
|
Testing machine
|
|
US2322100A
|
|
Constant rate of load testing apparatus
|
|
US2306111A
|
|
Testing machine
|
|
US2306110A
|
|
Apparatus for testing specimens
|
|
US2286642A
|
|
Magnetically controlled load testing machine
|
|
US2238539A
|
|
Pressure testing machine
|
|
US2205579A
|
|
Testing machine
|
|
US2037274A
|
|
Twist counter
|
|
US2048819A
|
|
Computing apparatus
|
|
US2037273A
|
|
Filament testing apparatus
|
|
US2002552A
|
|
Specimen supporting device
|
|
US1995550A
|
|
Moisture compensating weighing device
|
|
US1891652A
|
|
Brake testing apparatus
|
|
US1911006A
|
|
Resetting mechanism for testing machines
|
|
US1935421A
|
|
Testing machine
|
