A blog about making model trains, little boats and both real and model automobiles. Typed by someone with painty hands, oil under his fingernails and the smell of solder in his nostrils.
Did it belong to a schoolteacher? I'm thinking a classroom experiment to show how a pendulum can be used to measure time.
An engineer - but there's no reason it couldn't have been made for one of his kids school projects. Doesn't explain the ready made version however, unless there is a need to do this for more than an educational reason. Hmmm.
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