Bulletin . uld. quicksilver ores. Mr. H. W. Gould, general superintendent, cousideisthat the rotary has great possibilities. Thus far, it appears that their costis one-fourth to one-half that of the Scott per ton-day-eapacity; con-sumption of fuel one-third to one-half; labor one-fifth to one-half. Itis more flexible than the Scott, the ore passes through in 15 to 30 min-utes, with all of the mercury apparently expelled. There are noabsorption losses in the furnace, as all the brick are hot. There is nopersonal element attached to the rotary, the feed and discharge beingautomatic, as against t
Bulletin . uld. quicksilver ores. Mr. H. W. Gould, general superintendent, cousideisthat the rotary has great possibilities. Thus far, it appears that their costis one-fourth to one-half that of the Scott per ton-day-eapacity; con-sumption of fuel one-third to one-half; labor one-fifth to one-half. Itis more flexible than the Scott, the ore passes through in 15 to 30 min-utes, with all of the mercury apparently expelled. There are noabsorption losses in the furnace, as all the brick are hot. There is nopersonal element attached to the rotary, the feed and discharge beingautomatic, as against the irregularities possible with the hand labor ona Scott. Salivation of the workmen cannot result from the end jointsof the furnace, because of the inward suction due to the stack draft. This first furnace at New Idria is 4 diam. x 50 long, arranged todrive at 1| to 4 r. p. m., and at first treated 96 tons of 1^ ore present writing (April. 1918) it is handling 72 tons of IV ore. 249 ILATt: QUICKSILVER RESOURCES. 249
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