Quote:
Originally Posted by Phil G4SPZ
Of course, what a lovely idea! Ring... ring... "Ee, cook, we'm busy muckin' out 'Er Ladyship's 'osses and we'm right famished!
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Speaking to the former tenants of Calthwaite Hall, you're probably not far from the mark.
Such 'speaking instruments' must surely have halved the work of the butlers and staff: being instructed directly and only making one trip to 'er Ladyship' rather than looking at the flag, walking upstairs, then going for what was required.
I need to check in Herbert G. White's 'Telephone Erection and Maintenance' but I'm pretty sure some sets were made specifically to use existing annunciator wiring without too much modification.