细节
Books on turning:
Ash, J:The Art of Double Counting on the Lathe, 1st ed., 1857 -- J.L. (?Lukin) The Lathe and its Uses, 1878 -- Elphinstone, H.W:Patterns for Turning, 1872 -- Hasluck:The Wood Turner's Handybook and The Metal Turner's Handybook, 1887 (5)
Ash, J:The Art of Double Counting on the Lathe, 1st ed., 1857 -- J.L. (?Lukin) The Lathe and its Uses, 1878 -- Elphinstone, H.W:Patterns for Turning, 1872 -- Hasluck:The Wood Turner's Handybook and The Metal Turner's Handybook, 1887 (5)