A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 
‘© To the solid ground 
Of Nature trusts the mind which builds Jor aye.” —WORDSWORTH. 
No. 1563, VOL. 60] 
THURSDAY, OCTOBER 12, 1899. 
[PRICE SIXPENCE. 
Registered as a Newspaper at the General Post Office.] 
va Rights are Reserved. 
WIRELESS| TELEGRAPHY. THE QUARTERLY REVIEW, 
. THE FEDERATION OF 
7 AG BIGACE LN 
. PITT AND THE 
7. MATTHEW 
7. LEONARDO DA VINCI. 
. THE PENYCUIK EXPERIMENTS. 
VII. 
VIII. 
IX. 
X. 
No. 380, 
WILL BE PUBLISHED ON THE 78th. 
Price 6s. 
CONTENTS. 
AUSTRALIA. 
THE COUNTRY. 
FAMILY COMPACT. 
PRIOR. 
((ilustrated.) 
SCOTT AND HIS PUPILS. 
NEW LIGHTS ON THE ’45. 
THE FOOD OF LONDON. 
WILLIAM MORRIS. 
“ 
THE © APPS-NEWTON ” INDUCTION coILs 
made entirely in the London Workshops of 
NEW TON & Co., 
3S FLEET STREET, 
are now used by all the principal experts in Wireless 
Telegraphy, as well as” in Radiography. 
SHORT BEAM BALANCES > 
CHEAP, QUICK-ACTINC, 
ACCURATE, 
KNIFE EDGES AND PLANES OF AGATE 
Compensating Stirrup 
Suspenders. 
To carry 200, 500 grammes. 
Price £7. £9 9s. P 
ASSAY BALANCES. 
ALUMINIUM BEams. 
5 Grammes in each Pan 
Indicate 7, m.g. 
£10 10s. and ‘41. 
CHEMICAL BALANCE. 
ALUMINIUM BEAM. 
New design Sliding Rider. 
To carry 
100 250 grms. 
Indicates 5 qs M.g- 
£8 15s. _£10 10s. & 
WRITE for y BALANCE CATALOGUE 
‘JOHN J. GRIFFIN & “SONS, [o- 
20-26 SARDINIA STREET, LONDON, W.C. 
E.C., 
THE NEXT CONCLAVE. 
A NOTE ON THE PEACE CONFERENCE. 
THE EMPIRE AND THE TRANSVAAL. 
XI. 
XII. 
XIII. 
JOHN MU RRAY, ALBEM. ARLE STREET, W. 
SPECT A CUES. 
ELECTRIC LIGHT, INCANDESCENT GAS, 
And other Powerful Illuminants. 
\NEGRETTI & ZAMBRA’S 
THERMOSCOPIC LENSES 
| Protect the Eyes from Glare, and 
RENDER THE LIGHT SOFT AND COOL. 
Illustrated Bes Lists of Optical and Meteorological Instruments 
Free by Post to all parts of the W orld. 
NEGRETTI AND ZAMBRA, 
| SCIENTIFIC INSTRUMENT MAKERS to THE QUEEN, 
38 HOLBORN VIADUCT, E.C. 
BRANCHES : 46 CORNHILL; 122 REGEN T STREET. 
