For reluctant sale here is a definitive reference  of the effect of artillery on armour as known in the late 1880's. 189 pages of text containing numerous diagrams and engravings.

I'm not a book dealer so cannot provide 'dealer speak'. The book shows signs of age and was used for the purpose for which it was printed eg reference on the subject. Always happy to answer questions.

Shipment to mainland UK via Evri or Yodel tracked £6