What a pretty bike! Excellent details. I can see why it would be a lot of work to clean up and a hard sell for a 21st century team. Both riders need to accept both the old weirdness and the tandem-ness of it, and it looks like the gunner needs to be pretty tall.
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Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."