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Book XI: Silver Separation

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BOOK XI.                                              501
it in this case, when it used formerly to be produced at Puteoli from lead
alone when melted by a fierce fire in the cupellation furnace.8 Afterward
these cakes of lead are carried into the lead store-room.
The cakes of copper, put into wheelbarrows, are carried into the third
part of the building, where each is laid upon a saddle, and is broken up by
the impact of successive blows from the iron-shod stamp. This machine
is made by placing upon the ground a block of oak, five feet long and three feet
wide and thick ; it is cut out in the middle for a length of two feet and two
palms, a width of two feet, and a depth of three palms and two digits, and is
open in front ; the higher part of it is at the back, and the wide part lies flat
in the block. In the middle of it is placed a bronze saddle. Its base
is a palm and two digits wide, and is planted between two masses of
lead, and extends under them to a depth of a palm on both sides.
The whole saddle is three palms and two digits wide, a foot long, and
8This is, no doubt, a reference to Pliny's statement (xxxiu, 35) regarding litharge
at Puteoli. This passage from Pliny is given in the footnote on p. 466. Puteoli was situated on
the Bay of Naples.
Book XI: Silver Separation Page of 673 Book XI: Silver Separation
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