Hope this is not getting too far off topic but I just cannot help going down these interesting avenues
The Dagling Pictures 1 & 4

Mr. R. F. Dagnall, was Manager of Airships Ltd of Merton, Clapham and Wandsworth in 1918 and founded RFD Ltd in 1920 which is now RFD Beaufort located at Belfast. From adverts in Flight they were, and still do, make many forms of life saving equipment such as dinghies.

The 1950 advert lists a whole range of products with obviously connects with his roots in airships. Note the cables address.

Images from Flight Archives