CHEMISTRY*
b
£ s. d.
Brass blowpipe, with condensing ball, ivory tip, and
extra jets . . . . . . . 0 10 0
Pepy’s jointed ditto, with flat condensor . . 0 10 0
Jets for blowpipes, of green bottle glass, platinum,
and brass . . . . . Is. to 1 0 0
Platina foil and wire, for the use of the blowpipe Blowpipe forceps, with platinum tips . . .070
Ditto, with cups for substances that decrepitate .076 Double forceps, steel at one end and platinum at the
other . . . . . . . .076
Strong steel forceps, with hardened points . .060
Haiiy’s electrical needle, for mineralogical purposes 0 5 0
Mineralogical knife . . . . . .050
Mineralogical hammers, of various sizes and forms, as
described by Macculloch, Berzelius, &c. 5s. to 0 15 0
Berzelius’s mineralogical anvil . . , .050
Blowpipe spoons, of iron, silver, and platinum, 6d. to 0 5 6
Clinometers, for taking the angles of strata . . 0 15 0
Steel goniometers, with brass divided semicircles, for
measuring the angles of crystals . . .110 0
Dr. Wollaston’s reflecting ditto . . £2 10s. to 3 10 0
Assay balances, of platinum and agate, with platinum
weights, accurately adjusted, inlanthorn, £20 to 50 0 0
Brass conical balances, weights, &c. in mahogany
lanthorn ..... £36 to 60 0 0
Steel assay balances, with weights . £3 10s. to 8 0 0
Captain Kater’s brass balance, with agate planes, in lanthorn . . . . £5 5s. to
Hydrostatic balances, fitted with apparatus for taking the specific gravity of solids andfluids,£5 5s. to Brass beams, pans, and stands, for laboratory purposes ..£3 to
Best steel beams, box ends, brass pans, stand, and decimal weights, packed in drawer, £2 10s. to