CHEMICAL AND MINER ALOG1CAL CHESTS.

£ s.

Larkinss geometrical solids, to accompany his rudi­ments, or his elementary geometry, 32 figures, cube | to 1A. inch . * . 7s. 6d. to 1 4

Models of crystals, to accompany Jamisons external

characters, two boxes . . . . .11

Theoretical models, to illustrate Haiiys theory, half

enveloped, to accompany the above work . 1 1

Ditto, completely enveloped . . . . .22

A set of models, to illustrate Brookes modifications,

165 figures, lettered . . . . .55

A set of Haiiys primary and secondary forms, 516 fi­gures, with the names of the substances stamped on them, of which they are the forms, and let­tered according to Haiiys plates . . . 16 16

Conic sections, without pins, three sections 1£ base to

to 3 inches . ... 2s. 6d. to 0 7

Ditto, with pins . . . . . 3s. to 0 7

Ditto, five sections .... 5s. 6d. to 0 10

Two cubes, the larger to pass through the smaller . 0 15

CHEMICAL AND MINERALOGICAL CHESTS.

Chests of chemical amusement, with description

. . . . . . £1 10s. to 5 5

Small box of apparatus, and tests for general purposes

£2 10s. to 4 10

Chemical test chests and apparatus, on the plan of

Dr. Henry . . . . . . . .10 0

Chemical cabinet, on Sir H. Davys plan, containing a selection of the most useful apparatus and tests, for general experiments . £25 to 35 0

Ditto, more extended, with air pump and electrical

machine . . . . . . 60 0

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