CXXVl 



NATURE 



\Augtist 14, 1879 



THE TELEPHONE COMPANY, LIMITED, 



36, COLEMAN STREET, LONDON, E.G. 



TESTIMONIALS. 



14S to 149, ToUmham Court Road, Ltndon, W., \i^h May, 1879 

 To the Telephone Company, Limited, 36, Coleman Street, JS.C. 



Dear Sirs,— You will be pleased to hear that the forty Telephones you supplied answer admirably, and are of great eoa- 

 venience, communicating as they do in some cases with our workshops a mile away. 



The simplicity and ease with which they work, being able to be used by any one, and the great advantage over the Telegraph 

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 4ear Sirs, yours faithfully, {Signed) J. MAPLE & Co. 



Midland Railway Telegraph Department, Superintendents Office, Derby, iZth April, 1879 

 Dear Sirs, — In reply to your inquiry of the 25th inst., I have the pleasure to inform you that the Telephones which have 

 been erected on tlae Midland Railway are working very satisfactorily. — Yours faithfully, (Signed) W. LANGDON 



The Telephone Company, 36, Coleman Street, L0ndtn, E. C. 



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



PROFESSOR HUGHES' AUDIOMETER" 



The only perfect measurer for testing the hearing power. 

 May 15, 1879 ; Medical Times and Caxeite, May 24, 1879. 



Vide Dr. Richardson's Report to the Royal Society, 



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