sight feed lubricator meaning in Hindi

Examples

1. It had the Hasler speed indicator, sight feed lubricators, Hendrie's steam reversing gear, steam operation for rocking the firegrate, Gresham and Craven injectors, steam brakes and combination vacuum ejectors.
2. Apart from their boilers and cylinders, the frame and other important components were standard with those of the Class 14, such as the driving wheels, bogie, Pyle National turbo-generators and headlamps, Hasler speed indicator, sight feed lubricators, Hendrie's steam reversing gear, steam operation for rocking the firegrate, Gresham and Craven injectors, steam brakes and combination vacuum ejectors.