CHEMISTRY.

11

£ s. d.

Set of brass apparatus, for exhibiting a variety of ex­periments on the ignition of the gases, con­sisting of a pipe, jet, and whirl, adapted to the air cocks . . . . . .0116

A great variety of detached articles, in ivory and brass, the screws of which correspond with the air cocks and other apparatus; comprising caps for air jars, retort caps, bladder ferrules, adopting pieces, union joints, jets of various forms, &c.

Oiled silk bags, mounted with ivory, for breathing the

nitrous oxide

.

0

15

0

Prepared caoutchouc ditto

.

1

5

0

Flexible caoutchouc tubes, mounted with connecting

screws

. . 8s. to

0

12

0

Pewter ditto, ditto, per foot

. . Is. to

0

2

0

Copper ditto, ditto.

. . 9d. to

0

1

6

Priestley’s eudiomete.

. . 5s. to

0

12

0

Berthollet’s ditto

. . 5s. to

0

7

6

Sir H. Davy's ditto ’

. . 7s. to

0

10

0

Pepy’s ditto, with elastic bag .

.

0

10

6

Dr. Hope’s eudiometer . ,

.

0

10

6

Volta’s, for the analysis of gases

by the electrical

spark ....

, . 5s. to

0

18

0

Ditto, with a spring, adapted to the mercurial

trough

. . £1 to

1

15

0

Sir H. Davy’s improved ditto .

. . 7s. to

0

15

0

Dr Ure’s ditto

. . 10s. to

0

12

6

Gay Lussac’s ditto . .

.

Scheel’s ditto .

.

Eudiometers, of various forms, graduated into cubic

inches and decimal parts

. . 5s. to

0

12

6

Plain ditto ....

. . Is. to

0

6

0

Nooth’s apparatus, for impregnating

fluids with gases

• • •

. £3 10s. to

5

5

0