MONITOR NOZZLE
Source: 567
Monitor nozzle. A nozzle capable of turning completely round in a horizontal plane and having a limited play in a vertical plane, used in hydraulic mining, fire-extinguishing apparatus, etc.
Source: 567
Monitor nozzle. A nozzle capable of turning completely round in a horizontal plane and having a limited play in a vertical plane, used in hydraulic mining, fire-extinguishing apparatus, etc.