Beskrivning
Water level glass with diameter 27 mm with screws, nuts and gaskets for the stationary steam engines: D4 D6 D8 D10 D101 D106 the mobile steam engines D365 D395 D375 D366 D396 D376 D368 D398 D405 D495 D415 D406 D496 D416 D417 and the ship's steam engine: D52