February 14, 1975

Dear Mom,

…. This is a tracing, as exact as I could get it, of the sprocket of the drive chain on the bike. Not the one on the back wheel which is a much bigger sprocket but the one that the chain rides on where it is attached to the gear box. Also notice that the teeth are so worn down that they hardly hold the chain any more. If at all possible, please try to get a service manual too.
Thanks, for your help.

We are back from Arusha and still no rain in sight. It’s becoming more difficult for the people all the time ….



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