Ixxii 



NATURE 



\_ya7i. 2, 1879 



E. DENT & Co., 



I MANUFACTURERS OF 



WATCHES, CHRONOMETERS, ASTRONOMICAL, 



TURRET, AND OTHER CLOCKS. 



TO HER MAJESTY THE 

 QUEEN. 



Jo 



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, i 



Only Places of Business — 



61, STBAND, AND 34, ROYAL EXCHANGE, LONDON 



MICROSCOPIC SPECIALITIES. 



Series I. — 24 Medical Pathological Preparations, 



in Case ;,f2 2 o 



„ II. — 24 Physiological Preparations, in Case 220 

 „ III. — 24 Educational „ ,, 220 



»» IV.— 48 Physiological „ „ 440 



Series V. — 24 Preparations from the Frog, in 



Case ;,^2 2 o 



„ VI. — 24 Surgical Pathological Preparations 220 



,, A. — 48 Diatomaceas (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. 15J. to 



30J. per doz. 



Descriptive Lists and full particulars on application to 



ARTHUB C. COLE <& SON, 



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

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



THE TELEPHONE COMPANY, LIMITED, 



36, COLEMAN STREET, LONDON, E.G. 



SOLE PROPRIETORS OF BELL'S AND OTHER PATENTS. 



Telephones and all necessary Instruments Supplied for Domestic or Business Purposes, on Sale or Rental. 



Estimates can be obtained for fitting up Telephonic Communication in Mines, Factories, Workshops, or Privatb 

 Dwellings ; also for Lines of Wire Communicating between Lighthouses and the Shore ; Shipping Offices and Vessels 

 in Port ; Noblemen's Mansions and their Lodges, Stables, or Gamekeepers' Residences, &c., &c. 



Agents Wanted. — A Liberal Discount allowed to the Trade. 



Proceedings will be taken against all Persons seUing or using any Telephones, or otherwise infringing the 

 Company's Patents. 



Application for Price Lists or further information to be made to the Manager. 



Printed by R. Clay, Soms, and Taylor, at 7 and 8, Bread Street Hill. Queen Victoria Street, in the City of London, and published by 

 M/c.MiLi.AN AND Co. , r,t the Office, 29 and 30, Bedford Street, Covert Garden.- Tin fso.vy, Jair.r.ry 2, 1^79 



