3 vintage engineering books 1921, 1915, 1916

What is for sale: 3 vintage engineering books 1921, 1915, 1916

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Nice lot of 3 vintage engineering HB books. They are:
Hydraulics by Daugherty. FIRST EDITION HB 1916 267 pages (crisp clean condition with minor wear on edges and name written inside cover with minor pencil notes on inside cover, original notes pages within are included, very nice clean copy, 1st edition!!)
Applied Mechanics by Fuller and Johnston. HB 1915 388 pages (crisp clean copy throughout with name written inside cover and minor wear on edges)
Elements of Mechanism by Schwamb, Merrill and James. HB 1921 372 pages (minor pencil marks throughout and name and colege written inside front cover, original notes pages loose and included with book)