


























1 1993 
A WEEKLY ILLUSTRATED JOURNAL | OF deg NH? 










“* To the solid ground , 4 
OF Ni ature trusts the mind which buslds for 7 aye. "—Wornsitontti, na! Mus 
_—- ain : os M69 = 
No. 2794, VOL. 111] SATURDAY, MAY 19, 1923 wv RICE ONE S. SHILLING 
Registered as a Newspaper at the General Post Office.) ; ~ [All Rights Reserved. — 


REYNOLDS & BRANSON, Ltd. 
STONYHURST SIMPLEX eer and me ee eenont — to His rag s 
overnmen ome and Overseas Dominions 
SUNSHINE RECORDER LABORATORY FURNISHERS and MANUFACTURING CHEMISTS. 
: WORKS AND OTHER 
LABORATORIES 
equipped 
with Benches, Fume 
Chambers, Apparatus, 
Balances, 
Chemicals, etc. 
Designs and quotations 
i i i, i, i a 
Particulars 
Post 
Free, 
submitted on application 

BRITISH-MADE Glass, Porcelain, 
Nickel Ware, and Filter Papers. 
| 
Apparatus in Glass, Metal, or Wood made 
NEWTON & C O., to customers’ own Designs. 
Scientific Instrument Makers to H.M. the King, CATALOGUES POST FREEB. 
72 WIGMORE ST., LONDON, W.1. Enquiries for Technical Chemicals in quantity solicited. 
Telegrams : Newtobar, Wesdo, London. 14 COMMERCIAL STREET, LEEDS. 



SCIENTIFIC INSTRUMENT MANUFACTURERS 
and LABORATORY FURNISHERS., 
DIRECT G AUGES 
READING ; : 
EXPANSION reading to -:02 
APPARATUS for the accurate 
é; measurement of 
plier 0 small _ pressures. 

Déntelytiradtbatee Quotations on request. 
post free. 
i PHYSICAL APPARATUS OF ALL KINDS N EGRETTI & Z AMBRA «ae 
FOR COLEEGES AND SCHOOLS. 
=~ 38 HOLBORN VIADUCT, E.C.1. 
LONDON. 


