Inside the Millionaire
View 2 - The Stepped Drum

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"Looking straight on the front of the machine and front of the carriage. The stepped drum which is about two inches in diameter and ten inches long is visible through middle of picture. This and the associated parts above it do the 10's carry. The ten's carry is very complicated and can be partially seen in this shot The small shaft / knobs in a row allow setting of each of the result wheels. Each number of a result is seen through a small round counter sunk hole in the top plate of the carriage" Jim McDermaid

Photos: Courtesy of Jim McDermaid

X-Number World of Calculators