ADVERTISEMENTS. 



ALDER & MACKAY 



ESTABLISHED 1850. 



MANUFACTURERS OF 



WET & DRY GAS METERS. 

 PREPAYMENT METERS. 

 UNDERGROUND METERS. 

 TEST & EXPERIMENTAL 



METERS. 



STATION METERS. 

 DEMONSTRATION METERS. 



TEST HOLDERS. 

 PRESSURE GAUGES. 

 BRASS WORK OF EVERY 



DESCRIPTION. 



GAS LANTERNS. 



AUTOMATIC LIGHTING AND 

 EXTINGUISHING APPARATUS 

 FOR STREET LAMPS. 





New Grange Works, EDINBURGH. 



Telegrams: "Alder Edinburgh." Telephone: 1481 Central. 



ALSO AT 

 Bradford. London. Birmingham. Sydney, N.S.W. Wellington, N.Z. 



