Sikkerhedsudstyr

Copyright. Photo No. 42. Practising getting into and out of Air-lock; Copyright Photo No. 43. Man in Air-Lock being lowered to bottom of tank; Copyright. Photo No. 44. Man emerging through hatch of “dummy” Conning Tower

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

OXYGEN BREATHING APPARATUS. (Fleuss, Davis and Hill's Patents.)

Reb i en "clove hatch" knob

Illustration af et reb der binder over sig selv, ment som advarsel og dårlig praksis

"Snatch block" brugt til at bringe folk til sikkerhed efter et skibsvrag