6
CHEMISTRY.
£ s.
Smaller ditto, without stand, with weights, and pearl
pans,inboxes,formedicinal purposes, 7s. 6d. to 1 10 Decimal weights, in boxes, from 1,000 grains to 0.5
.12s. 6d. to 0 15
Ditto, from 5 grains to 0. . . . .02
Decimal and assay weights, of platinum and silver
.10s. to 1 15
Weights of various description, accurately adjusted, according to the new standard, for public bodies, laboratories, &c. &c.
Specific gravity bottles . . . Is. 6d. to 0 5
Ditto, accurately adjusted to 1,000 grains of distilled
water, at 60° in box, with weight . .0 15
Glass balls, in sets, for the specific gravity of fluids
.7s. to 1 10
Hydrometer, for the specific gravity of acids, £1 to 1 9
Beaume’s hydrometer for saline solutions . .04
Ditto, for spirits . . . . . . .04
Accurate spirit hydrometers, in brass, on the plans of Clarke, Atkins, Sykes, &c. with the printed tables for temperature . . . £3 to 5 5
Saccharometers . . . . . 10s. to 5 5
Nicholson’s hydrometer, for the specific gravity of
solids and fluids, with arbitrary grains . .55
Atkins’s ditto, more portable, with grain weights . 5 5
Iron mortars and pestles, turned inside . 6s. to 0 14
Steel mortars, in mahogany frame, with steel pestles
. £2 2s. to 4 4
Portable steel ditto, or diamond mortars . . . 0 14
Bell metal and brass pestles and mortars . 10s. to 2 0
Porphyry and agate ditto . . . 15s. to 3 3
Porphyry slabs and mullers . . . £1 to 5 0
Glass pestles and mortars . . . 2s. 6d. to 0 12
Wedgwood ditto, ditto ... Is. 6d. to 010
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