Whenever Mr Monkey decides to drive a mighty locomotive across America, he dons his engineers cap before clambering into into the cab. According to the Smithsonian, this sort of cap only came into use in the 1930s.
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Mr Monkey's engineer's cap was made from a sack that once held risotto rice, with blue stripes printed off the computer on transfer paper.
Copyright Rik Shepherd and Mr Monkey. This page last modified 16 February 2005