Hello there.
I think it is a B.O.I.L sprinkler (British overhead irrigation Ltd), not sure where they came from, with a bit of research I guess you could find out more.
Chris
Hi, can’t help with that specific sprinkler but have found a couple of BOIL adverts that may be of interest.
The first is from ‘Nurseryman & Seedsman’ April 1954, and the second is from ‘The Grower’ May 1955.
Regards
Rob
Hi
British Overhead Irrigation Ltd, had its factory on the site what is now Shepperton Studios,near to Kingston upon Thames, London.
Nice sprinkler it was made from the late 1920’s to the mid 1930’s.
Hope this helps
Happy New Year to all
Andrew