TYPES OF SUBMARINE SIGNALS
Submarine Appliances And Their Uses - 1911
Undervandssignaler
Illustrationer
Direction-Indicator and Receiving Telephone; Submarine Signal Buoy Apparatus for attaching to Bell Buoys; Lightship Bell attached to case (open and closed) containing Striking Mechanism operated by Compressed Air; Electrically operated Bell with Cable Connections
Submarine Appliances And Their Uses - 1911
Vi bruger cookies til at føre statistik over antal besøgende og huske om du tillader det. Vil du tillade statistik? Læs mere