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This pic contains some old tonewheel stuff that I've been collecting.
There is the May 1939 patent for the chorus generator that went into model BC, an old generator oil can, circa 1950's, some individual pairs of tonewheels including a couple of blanks and a number of original press ads inlcuding one from 1937 inviting pianists to enter a "new kingdom of music" with a model A, for the princely sum of $1295 USD, claiming that less than 2 years after its introduction the Hammond is the largest selling organ in the world - do tell!
I have 2 Hammond clocks, one being a "Cathedral Clock" finished in Oak, like a church pew, made by Hammond Clock Co. circa 1930, and the other a "Stewardess" clock made by Hammond Instrument Co. circa 1938. This one surfaced in South Australia and is a 240V/50Hz export model, it still works and keeps great time - not bad for a 70 year old clock.
Perhaps the piece de resistance is an original copy of "Playing the Hammond Organ" published by Hammond Instrument Co. in 1941, cost $1.00 USD. It contains instructions & 3 lessons for the unitiated in the use of models A thru E inclusive with or without the chorus generator. It is believed this copy once belonged to revered South Australian church organist and religious zealot Miss Beatrice Downer, who used it to enable her to convert from Harmonium to Hammond once her home town of Maralinga became connected to the electricity grid in 1946. Regretably Maralinga was lost forever in 1953 when the British used the site for their atomic bomb testing and left behind an uninhabitable toxic radioactive wasteland. However the Downer legacy is not lost on us as some of her descendants have reached high levels of incompetance on the conservative side of Australian politics and Adelaide tabloid radio.