Wo 4; ue i, 
“ong! Musev 
= + 
A WEEKLY 
ILLUSTRATED JOURN 
AL OF SCIENCE. 
“To the solid ground 
Of Nature trusts the mind which builds for aye. 
_No. 2217, VOL. 89] 
Registered asa Newspaper at the General Post Office. is 
VITASCOPE, 
An entirely novel Instrument 
for examining and observing 
living insects in the garden or 
the house under high magnifi- 
cation without disturbing them 
or removing them from their 
natural surroundings. 
‘a The magnification 
a —_ can be varied from 
12 to 60 diameters. 
In case complete. 
Garden Stand, 5/= 
PATENTED 
AND 
REGISTERED. 
Descriptive Pamphlet Post Free. 
SOLE MAKERS— 
NEWTON & CO., 
72 WIGMORE ST., LONDON W. 
Established over 200 years. “Newrobar, London." 
Jou J. GRIFFIN gj 
KEMBLE STREET, 
KINGSWAY, LONDON, W.C. 
MAKERS OF 
Physical Apparatus 
AWARDED 
GRAND PRIX 
DIPLOMA OF HONOUR 
AND 
3 GOLD MEDALS 
TURIN INTERNATIONAL EXHIBITION, 1914 
Telegrams: 
SONS 
LTD. 
MHOURSDAY, APRIL 25 i012 7 
| Solid beam . 
”’_WORDSWORTH. 
__ [Price SIXPENCE 
(all Rights Reserved. 
REYNOLDS & BRANSON, LTD. 
MAGNALIUM 
BALANCES. 
The beam, standard, and 
pans of these balances aré 
made of magnalium, which is 
lighter and cleaner than brass, 
and not as readily affected by 
fumes and gases. The knife- 
edges and planes are of agate. 
roo gis. 250 gms. 500 gms. 
Sensitive to— 
24 6 26 0 310 
Open ,, 25 6 27 6 32 0 
**Rystos” Balance Case (Regd. No. 532952), with sliding door which 
folds back and rests upon the top of the balance case, obviating the Gia 
for catches or balance weights. Mahogany, 8/6, 10/6, 14/6 each 
ANALYTICAL BALANCES WITH MAGNALIUM BEAMS. 
Price List on Application. 
14 Commercial Street, 
SUNSHINE 
RECORDERS 
Iliustrated List 
free on request. 
leeds. 
Negretti & Zambra, 
Holborn Circus, E.G. 
Branches : 
E.C.; 122 Regent ‘ 
ee 
London, 
¢ 
hag 
45 Cornhill, 
