ADVERTISEMENTS. 1 1 



MAPS AND GUIDE-BOOKS 



FOR TOURISTS. 



ORDNANCE SURVEY MAPS OF SCOTLAND on the Scale of One, Six, 



and Twenty -five Inches to a Mile; also the principal Towns on the Scale 



of Five and Ten Feet to a Mile. 



THE GEOLOGICAL SURVEY on the Scale of One and Six Inches to a Mile. 

 BAEDEKER'S, MURRAY'S, BLACK'S, and BRADSHAW'S GUIDES for 



Great Britain, Ireland, the Continent, and India. 

 Johnston's, Black's, Stanford's, Wyld's, and Phillips' OFFICE, SCHOOL, 



and TRAVELLING MAPS, CHARTS, ATLASES, and GLOBES. 



A LARGE STOCK OF SCIENTIFIC BOOKS AND WORKS OF REFERENCE. 



JOHN SMITH & SON, 



129 WEST GEORGE STREET and 40 RENFIELD STREET. 

 ESTABLISHED IN 1742. 



'"HHERE is no FOUL AIR, DOWN DRAUGHTS, or CURRENTS in the 



COUNCIL CHAMBER OF THE ROYAL SOCIETY 

 OF ARCHITECTS, LONDON, 



as it is ventilated with BOYLE'S PATENT SELF-ACTING AIR-PUMP 

 VENTILATORS to the entire satisfaction of all the Members. 



The INNER TEMPLE is also ventilated by these VENTILATORS with com- 

 plete success. 



They are at present being fitted up on SIR GILBERT SCOTT'S NEW 

 HOUSE, London. 



These VENTILATORS are now extensively used throughout the three King- 

 doms, and have received the high encomiums of the most eminent scientific 

 and practical men in the kingdom. 



Experiments will be given with Models at the Museum during the Meetings of 

 the BRITISH ASSOCIATION, and farther information may be received from 



ROBERT BOYLE & SON, 



Patentees, 

 100 MITCHELL STREET, GLASGOW, and 



MANSION-HOUSE BUILDINGS, LONDON. 



