tyauscfi|oml) 
Microscopes 
FOR ALL REQUIREMENTS 
Also 
MICROTOMES, 
PHOTOMICROGRAPHIC APPARATUS, 
CENTRIFUGES, &c. 
Full particulars on application. 
Bausch & |omb Optical {o.|td. 
Contractors to British , Indian, Colonial and Foreign Governments, 
37-38 HATTON GARDEN, 
LONDON, E.C.l 
Our Instruments may be obtained through 
all Dealers. 
NEW MICROTOMES 
The “ COMBINATION ” — For Paraffin embedded, Celloidinised, 
Frozen and Hard Tissues. 
The u BENCH 99 — For routine Botanical Work and Hard Tissues. 
EUPARAL — Mounting Medium. 
MERSOL Immersion Oil. MURRAYITE — Spirit-proof Cement. 
Particulars on application to the Makers — 
FLATTERS & GARNETT, Ltd, 
309 OXFORD Rd. (Opposite the University) 
MANCHESTER 
BOOKS 
W. & O. FOYLE Ltd., 121 125 Charing Cross Rd., London, W.C.2 
On Microscopy, Natural History* 
and all Scientific and Literary 
subjects, Second-Hand and 
New. Catalogues free. State 
wants. Books sent on approval. 
Books bought. 
RHEINBERG’S EYEPIECE MICROMETERS, STAGE MICROMETERS 
and other Graticules by the processes of 
GRAINLESS PHOTOGRAPHY and FILMLESS PHOTOGRAPHY 
FROM ALL LEADING OPTICAL FIRMS 
RHEINBERG & CO., 57/60 Holborn Viaduct, LONDON, E.C.l 
Stock list of standard articles on application. 
