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Filter: Subject of engines
| Date: | 12 20 1943 |
|---|---|
| Description: | R.G. Hill taking photographs in the engine testing laboratory. The original caption reads: "R.G. Hill, chief photographer at Gas Power Engineering Departme... |
| Date: | 1939 |
|---|---|
| Description: | Four International PD-80 Diesel power units compounded on a drill rig owned by Taubert & McKee of Fort Worth, Texas, drilling a 4,500 foot hole two miles f... |
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