Model, of single screw steam tug's 4-bladed screw propeller, on mahogany stand
Metal model of screw propeller, 4-bladed, for single screw tug, marked DT
Details
- Category:
- Marine Engines
- Object Number:
- 1933-66
- Materials:
- steel (metal) and mahogany (wood)
- credit:
- National Physical Laboratory.