Good evening one and all.
Today whilst looking in the man cave for something else (which I have not found yet), I came across these switches.
I've tried to google the part number (31183H or maybe 31185H) but no luck. They are two position and all three are the same apart from
different letters on the end cap. There appears to be a date stamp on them which would suggest they were manufactured in 1960.
Any thoughts would be gratefully received.
John