Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 553
n of the diagram from the end to the middle of thespace between it and line 2. Again^ line 2 stands for theremaining half of the second space and the first half ofthe thirds and so on. This is an important matter, andshould be thoroughly understood, because if the spaces areall made of equal width,… … iiri-i-io Zi.j/^i^n.FT^ S^K B-£s5ytF^ 3 ^iicKj}t ■ffT7r.n£.p, J Fig. 218 If the spaces are all made equal^ the measurements willrequire to be taken in the middle of them, and errors areliable to occur, whereas if spaced as before described, themeasurements can be made on the ordinates, which is…
