Snow, 4 parts

...

...

to

12°.

to - 18°.

to - 25°.

Calcium Chloride, 5 parts From +32° to -40°.

Snow, 2 parts ...

Calcium Chloride crystallized, From + 32° to - 50°. 3 parts

...

...

...

LIST OF FIRMS WHERE THE BEST INSTRUMENTS,
CHEMICALS, ETC., CAN BE OBTAINED.

MICROSCOPES.

Large stands and high powers.

Powell and Lealand, 170, Euston Road, N.W.
R. and J. Beck, 68, Cornhill, E.C.

Student's stands and object-glasses.

R. and J. Beck, 68, Cornhill.

Swift and Son, 81, Tottenham Court Road.

H. Crouch, 66, Barbican.

Zeiss' stands and object-glasses.

C. Baker, 244, High Holborn.

ACCESSORIES.

Microtomes.

R. and J. Beck, 68, Cornhill.

Swift and Son, 81, Tottenham Court Road.
Cambridge Scientific Instrument Company.

Incubators, warm stages, cannulæ, &c.

Stevens and Sons, 159, Gower Street, W.C.

Knives, scissors, needles, &c.

R. and J. Beck, 68, Cornhill.

Stevens and Sons, 159, Gower Street.
C. Baker, 244, High Holborn.

Glass and chemical apparatus.

Griffin, 22, Garrick Street, Covent Garden.
Townson and Mercer, 89, Bishopsgate Street
Within, E.C.

Chemicals.

Hopkin and Williams, 16, Cross Street, Hatton
Garden, E.C.

R. and J. Beck, 68, Cornhill.

Staining solutions ready for use.

R. and J. Beck, 68, Cornhill.

Slides and cover-glasses.

R. and J. Beck, 68, Cornhill.
Baker, 244, High Holborn.

Wide-mouthed bottles, watch-glasses, &c.
Stevens and Sons, 159, Gower Street.

Mounting cards, labels, &c.

Cross and Son, 18, Holborn Hill, E.C.

Gelatin (Coignet's).

J. F. Shew and Co., 89 Newman Street, Oxford
Street.