Machine and tool blue book Volume 78 Issue 7 Issue 6 Issue 5 Issue 3 Issue 2 Issue 1 Volume 77 Issue 12 Issue 11 Issue 9 Issue 6 Issue 5 Issue 4 Issue 2 Issue 1 Volume 76 Issue 12 Issue 9 Issue 8 Issue 7 Issue 6 Issue 5 Issue 3 Issue 2 Issue 1 Volume 75 Issue 12 Issue 5 Issue 4 Issue 2 Issue 1 Volume 74 Issue 10 Issue 9 Issue 7 Volume 72 Issue 2