Didn't know you could get liquid detergent before the late 50s/60s. Always remember washing up using soap powder! Viv.
I seem to remember the ATCO works were in Tilton Road off Garrison Lane, I paid many a visit there with my dad to get spares for is lawnmower.
Thought the design of the soap packet could have been borrowed from England's Glory Matches.
Cheers Tim