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 586
e mixedwith the oil. Graphite being a mineral and not easily sus-pended in oil it has always been a rather difficiilt problem Lubricating Appliances 573 to feed it properly along with the oil^ but the device illus-trated in Figure 232 has proved to be very successful infeeding the mixture of oil… … Fig. 232the manzel agitating, force and sight feed oil pump land bevel gears on the cup. The construction is simpleand durable. Two fillers are used^ one for oil and one forgraphite. No fixed rule can be laid down for the amountof graphite to be used, as some engines require more thanothers. Two or…
