A—WORKMAN CARRYING BROKEN ROCK IN A BARROW. B—FIRST CHUTE.
C—FIRST BOX.
D—ITS HANDLES. E—ITS BALES. F—ROPE. G—BEAM. H—POST. I—SECOND
CHUTE. K—SECOND BOX. L—THIRD CHUTE. M—THIRD BOX. N—FIRST TABLE.
O—FIRST SIEVE. P—FIRST TUB. Q—SECOND TABLE. R—SECOND SIEVE. S—SECOND
TUB. T—THIRD TABLE. V—THIRD SIEVE. X—THIRD TUB. Y—PLUGS.
D—ITS HANDLES. E—ITS BALES. F—ROPE. G—BEAM. H—POST. I—SECOND
CHUTE. K—SECOND BOX. L—THIRD CHUTE. M—THIRD BOX. N—FIRST TABLE.
O—FIRST SIEVE. P—FIRST TUB. Q—SECOND TABLE. R—SECOND SIEVE. S—SECOND
TUB. T—THIRD TABLE. V—THIRD SIEVE. X—THIRD TUB. Y—PLUGS.