| oblique height finder(expression, tool, mapping, cartography) |
| optical range-finder(expression, equipment, sea, marine) |
| optical range finder(expression, equipment, sea, marine) |
| optical view finder(expression, search, tool, apparatus) |
| parallactic range finder(expression, search, tool, apparatus) |
| passive IR range-finder(expression, equipment, apparatus, military) |
| path-finder(expression, equipment, apparatus, military) |
| pentaprism view finder(expression, search, tool, apparatus) |
| people finder(expression, defense, safety, apparatus) |
| periscopic finder(expression, equipment, apparatus, military) |
| pick finder(expression, search, tool, apparatus) |
| portable laser range-finder(expression, equipment, apparatus, military) |
| position by direction finder(expression, equipment, sea, marine) |
| power-driven finder(expression, search, tool, agriculture) |
| prism range finder(expression, search, tool, apparatus) |
| pulse distance finder(expression, equipment, sea, marine) |
| pulse fault finder(expression, view, tool, telecommunication) |
| radar direction finder(expression, equipment, apparatus, sea, military) |
| radio-direction-finder method(expression, tool, apparatus, oil) |
| radio direction-finder station(expression, equipment, apparatus, military) |