“Fig. 61. shows a portable guarded fitting intended for portable lamps, for holds, etc. A flexible cable is attached to it and a switch placed at the point of conection.” (p. 152) The illustration is [...]
“Fig. 60 shows another form of bulkhead fitting designed to economise lamps. As will be understood, it is fixed in a hole cut in the bulkhead to receive it, say between two cabins, the flange shown be [...]
