20 



BRITISH ASSOCIATION GUIDE BOOK. 



WHEELER & WILSON'S 



SILENT LOCK-STITCH SEWING MACHINES 



Have been awarded the highest honours over all Competitors at all the great 

 Competitions for more than twenty years, including the only Gold Medal at 

 Paris, 1867, the Grand Diploma of honour in addition to Medals for progress 

 and Medal of merit at Vienna, 1873, and the Gold Medal at the American 

 Institute, 1875. 



They stand to-day without a rival, and intending purchasers should call and 

 inspect them before being persuaded to buy any other. The W. & W. New 

 Straight Needle Kotary Hook Machine is far in advance of every other for 

 Bootmakers, Tailors, and all manufacturing purposes. It is also suitable for 

 family work and Dressmakers. 



This Trade-Mark is on every Genuine Machine. 

 Beware of Imitations! 



Only Office in Glasgow 

 71 UNION STREET. 



No Branch or Agency in the City. 



BIRRELL'S 



PATENT AUTOMATIC LIME-LIGHT 



APPARATUS. 



Among the advantages claimed for the use of 

 this apparatus are 1. The gases are made while 

 they are being used, and when not required their 

 production ceases the demand regulating the 

 supply. 2. The pressure of the gases, once ar- 

 ranged, will remain unchanged for any time, or 

 may be altered at pleasure, and that without the 

 use of weights. 3. From the accurate adjust- 

 ment of pressure between the gases, and the small 

 stock present at any one time, no danger need be 

 apprehended from explosion. 

 Prices. 



Double Form for Continuous Action, 14, 70s. 

 Single do. do. 12, 70s. 



Oxygen Apparatus (for Oxy calcium 



Light), - - - - 10 



Hydrogen Apparatus (suitable for 



many other Gases), - - 7, 10s. 



J. CRAIG, 11 WASHINGTON STREKT. 



