Ix 



XX 



NATURE 



\yuly 3, 187c 



E. DENT & Co, 



MANUFACTURERS OF ^ 



WATCHES, CHRONOMETERS, ASTRONOMICAL, 



TURRET, AND OTHER CLOCKS. 



TO HER MAJESTY THE 

 QUEEN. 



To 



Foreign Sovereigns. 



Catalogues on Appli- 

 cation. 



TO H.R.H. THE PRINCE OF 

 WALES. 



To 



Foreign Republics. 



Catalogues on Appli- 

 cation. 



Makers of the Great Westminster Clock (Big Ben) ; of the Standard Clock and Standard Galvanic Chronograph 

 of the Royal Observatory, Greenwich ; and of Standard Clocks in most principal Home and Foreign Observatories. 



MAKERS OF A DMIRALTV STANDAR D COMPASSES. 



Only Places of Business — 



CI, STRAND, AND 34, ROYAL EXCHANGE, LONDON. 



MICROSCOPIC SPECIALITIES. 



Series I. — 24 Medical Pathological Preparations, 



in Case £2 2 o 



,, II. — 24 Physiological Preparations, in Case 220 

 ,, III. — 24 Educational ,, ,, 2 2 



,, IV. — 48 Physiological ,, ,, 440 



Series V. — 24 Preparations from the Frog, in 



Case £2 s: o 



„ VI. — 24 Surgical Pathological Preparations 2 J o 



,, A. — 48 Diatomacete (selected) 2 10 o 



„ B. — 24 „ (very rare) i 11 6 



Pathological and Physiological Preparations in great and constantly increasing variety, and of most valuable descriptions. tS^r. to 



30J. per doz. 



Descriptive Lists and full particulars on application to 



AKTHUR C. COLE & SON, 



ST. DOMINGO HOUSE, OXFORD GARDENS, NOTTING HILL, LONDON, W. 

 Late of 62, St. Domingo Vale, Everton, Liverpool. 



CHEMICAL & PHYSICAL APPARATUS 



BOTTLES, PURE CHEMICALS, 



And every requirement for Science Classes, Private Study, or Business 



Purposes. 



Illustrated Priced Catalogues post free for six stamps. 



Carriage allowed to any station in England or Wales, on orders of 401. 

 value and upwards. 



MOTTERSHEAD AND CO. 



7, EXCHANGE STREET, & 10, HALF MOON STREET, 

 MANCHESTER. 



NOTICE OF REMOVAL. 



JAMES HOW & CO., 



SCIENTIFIC INSTRUMENT MAKERS, 



73, FARRINGDON ST., LONDON 



(Late of s, St. Bbide St., and z, Foster Lane). 



HOW'S STUDENT'S MICROSCOPE. HOW'S MICROSCOPE LAMP. 



Rock Sections and other Objects for the Microscope. 



Printed by R. Clav, Sons, and Taylor, at 7 and 8, Bread Street Hill, Queen Victoria Street, in the City of London, and piblished by 

 Macmillan and Co., at the Office. 39 and 3a, Bedford Street. Covent Garden.— Thussdav, July 3, 1879. 



