Transactions . =L plate in front of it, and here cut up, by means of a shovel, into piecesof about 1 to IJ cubic inches. According to the richness of the * At one works in the West, crude petroleum is said to have been used insteadof coke. This is probably so far advantageous, as thereby the formation of slagaccretions on the outside of the retort is prevented. ZINC-SILVER-LEAD ALLOY. 317 alloy, and the size of the retort, a charge filling the retort to theneck consists of from 250 to 400 pounds of alloy, with which from3 to 5 pounds of small charcoal of bean to nut size have been mixed. Fig.
Transactions . =L plate in front of it, and here cut up, by means of a shovel, into piecesof about 1 to IJ cubic inches. According to the richness of the * At one works in the West, crude petroleum is said to have been used insteadof coke. This is probably so far advantageous, as thereby the formation of slagaccretions on the outside of the retort is prevented. ZINC-SILVER-LEAD ALLOY. 317 alloy, and the size of the retort, a charge filling the retort to theneck consists of from 250 to 400 pounds of alloy, with which from3 to 5 pounds of small charcoal of bean to nut size have been mixed. Fig. Next, the condenser is put on; this may either be made for thepurpose, being in that case simply a truncated cone of fire-clay, about2 feet long and of an inside diameter at the base a little larger than Fig. 30
Size: 1829px × 1366px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
