1924 Micron

[Tony Griffiths]

Four fabric joints! We have enough trouble with just one....  It seems that the engine, gearbox and differential were built as one unit and it's likely - as the lever beneath the steering wheel appears to suggest this - that the gear change would have been a motorcycle positive-stop type. The steering wheel was obviously connected to a chain by which the whole "compact and ingenious" assembly was rotated about its vertical axis.
The arrangement is rather like the very much rather simpler one used in the Bond 3-wheeler minicar car- but with the single front wheel, no need for a differential of course. 
The story of Bond, worth a read - if you're enamored of marginal motoring below the status of an A7