Photo No. 47. Man equipped ready for shallow water work; Photo No. 48. Man equipped with the Apparatus emerging from a room filled with smoke in which he has been working
Submarine Appliances And Their Uses - 1911
Sikkerhedsudstyr
Illustrationer
"Snatch block" brugt til at bringe folk til sikkerhed efter et skibsvrag
A Lecture, Or Essay On the most effic... - 1813
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