Fig. 65. Kompastorvet
Praktisk Tegnekursus - 1897
Underemner: Deep Sea Sounding Machine Kompasser
Fig. 65. Kompastorvet
Praktisk Tegnekursus - 1897
Fig. 181. Et Kompas
Hvorfor? - Fordi - 1890
Photo K. Deep Sea Sounding Machine; Photo M. Enlarged View of Carrier and Fairlead
Submarine Appliances And Their Uses - 1911
Photo L. Illustration of Method of Working Sounding Machine
Submarine Appliances And Their Uses - 1911
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
FYRTAARNE VED SØKANALEN ST. PETERSBORG-KRONSSTADT
Christiani & Nielsen - 1914
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