Wednesday, January 23, 2019

Thanks to Robert for this book!





for me the books are full of a lot of the same information, it's the illustrations that are unique




the sliding sleeve cylinders of the Knight engine are pretty interesting as an obsolete engine design




3 comments:

  1. Glad you've been enjoying them!

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    Replies
    1. but oh, it's been a struggle to find time to look through them!

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