Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 230
tion andapplication of a proper packing to the stuffing boxes. As forexample, plaited flax dipped in a mixture of warm graphiteand tallow, braided rawhide, Seldens packing, etc., have provedby long service to have a low co-efficient of friction and arenot liable to cut the plungers. Belted Pumps.… … Fig. 211. Table. ^ •= 3^5 S 0 n .-&2 •c Ji No. 0 U J> ^11 Gallons .Strok or 1 Kt Rcvoluti per Minut 0 ox u - ;:S.2 „ Size ofPulleys C30 S a II I 2X 2%- .28 20 to 50 IX IX 0 6 3*16 // 72tf 175 2 3 3^ .58 10 to 40 I>^ l>^ 0 s i *i61 8ot 175 3 \% 4^ 1.96 10 to 40 2X 2 5 01 IS \*I3 1 170 4…
Hydraulic machinery · Pumping machinery
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