A WEEKLY ILLUSTRATFED JOURNAL OF SCIENCE 
“© To the solid ground 
Of Nature trusts the mind which builds for aye.’”—WorDSwoRTH 
No. 824, VOL. 32] THURSDAY, AUGUST 13, 1885 [PRICE SIXPENCE 
A All Rights are Reserved 
Registered as a Newspaper at the General Post Office] s 
/& | GRACE'S NEW DIRECT VISION 
CHATWOOD S FR OE SPECTROSCOPE. 
DUODECUPLE go 
john =Drouning 
4 43 Strand Lonoon= 
PATENT == 
as* SAFES bins JOHN BROWNING begs to direct attention to the 
adyantages of this very powerful, portable, and efficient Instru- 
ment, which will divide the Sodium lines or the D lines in the 
Solar Spectrum, and show the Rain-Band as S:parate Lines ; it 
and LOCKS is provided with a fine motion focusing arrangement, and it is 
ax applicable to every purpose for which a Direct Vision Spectro- 
scope can be used. 
Have received highest Awards at all International Exhibitions, Price in Morocco Leather Case, £3 8s. 6d. 
including Two Diplomas of Honour and Six Gold Medals. Lilustrated Catalogue of Spectroscopes sent post free, Sixpence. 
JOHN BROw NING, 
Eas Wieschousey 76, NEWGATE STREET, E.C. Optical and Physical Instrument Maker to H.M. Government, 
Lancashire Safe and Lock Works, Bolton. 63, STRAND, LONDON, W.C. 
| a MBRA 
RIBBON SECTION CUTTING. | NEGRETTI AND ZAMBRA, 
5 Dain A SOLE MAKERS OF 
The Cambridge Scientific Instrument Company have designed a new and 
Eeeraions on the plan fist adorted by Me Calsal ee new ie: | JORDAN’S (PATENT) SUNSHINE RECORDER. 
ment has the advantage over the original pattern of dispensing with the 
endless band altogether, and consequently not only avoiding the trouble PRICE £3 3S. 
N E.G REM i'l 
of lifting the series of Sections from the razor, but also of allowing them to 
fall on to the glass slide in their proper position for mounting. Price of the 
AND 
ZAMBRA, 
Microtome, £5 5s. 
The Company are appointed Agents for the Microscopes of Zeiss, a supply 
Scientiric INSTRUMENT MaKERS 
TO THE QUEEN, 
of which is kept in stock. 
THE CAMBRIDGE SCIENTIFIC INSTRUMENT €O:; 
HOLBORN VIADUCT. 
Branches :—45, Cornhill ; 
Cambridge. 
122, Regent Street, London. 
CHRIST CHURCH, OXFORD. 
Liiustrated Description Post Free. 
On December 5 there will be an Election to a Scholarship in Natural 
Science. Papers will be set in Biology, Physics, aud Chemistry; but 
preference will be given for proficiency in Biology. A second Scholar may 
be elected, preference in this case being given for proficiency in Physics. 
Candidates will be required to show that they possess such knowledge of 
Classics as will enable them to pass Responsions ; they must not have 
exceeded the age of nineteen on the day of Election. Each Scholarship is of 
the annual value of £80; it is tenable for two years, and will be renewed for 
a further period, should the Governing Body be satisfied with the industry 
and good conduct of the Scholar. 
Candidates will call on the Dean at 9-30 a.m. on TUESDAY, November 
24, with Certificates of the day of their birth and of good conduct, and the | 
Examination will begin in the Hall at 1oa.m. For any further information 
apply to Mr. R. E. Baynes. 
7 
NEGRETTI & ZAMBRA’S 
Large Illustrated Catalogue, 
620 Pages, 
1200 Engravings. 
Price 5s. 62. 
