HORATIO YEATES, 
PHILOSOPHICAL INSTRUMENT MAKER, 
HAS 
REMOVED 
TO 
33, KING STREET, COVENT GARDEN, 
TerIy D Oasys Wee 
INDUCTION AND MEDICAL COILS, 
BATTERIES, GALVANOMETERS, 
mua tiINUM, CARBON; AND ZINC «PLATES, 
COVERED WIRE, &c., &. | 
EXPERIMENTAL Worx EXECUTED BY EXPERIENCED Hanns, 
Vols. II., IIf., and IV., New Series, cloth, 8vo., price 2ts. each, Illustrated, 
THE QUARTERLY JOURNAL 
OF SCIENCE, | 
AND ANNALS OF 
MINING, METALLURGY, ENGINEERING, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
Edited by WILLIAM CROOKES, F.R.S., &e., 
3, HorsEe-SHot Court, LupGaTe Hiiz, E.C. 
NOTICE OF REMOVAL. 
—_——_—_——— —_ -- 
JAMES R. GREGORY, 
MINERALOGIST ASIN SD) Gao LhOoGts®; 
HAS REMOVED TO 
88, Charlotte Street, Fitzroy Square, W.., 
Where large Show-Rooms and Laboratories have been expressly erected for the better display 
and making up of Collections. 
Specimens, Cabinets, and ColleGtions can be inspected as usual. 
Detailed Catalogues free for Six Stamps. 
