4 6 



MAWSON & SWAN, 



INDICATORS, 



TO SHEW FROM WHICH ROOM THE BELL HAS BEEN RUN(>(FlG. 119). 



/li 



FIG. 119. 



The illustration is intended to show the general form, the outward em- 

 bellishment being altered from time to time. 



In plain mahogany case, three numbers and under, i5/- per number; 

 above three and up to six numbers, 12/6 per number; above 

 six and under twenty, n/- per number. 



Special quotation when over twenty numbers. 



A cheaper make of Indicator can also be supplied when required, but we do 

 not recommend them. 



INSULATORS. 



Single Shackle, Porcelain, each, 2/- 



Do. do. best form, 3/6 



Double do. {Jo. 3/8 



Brownware Bolted Insulators, with saddle, each, 2/8 

 Insulator, with steel hook, 2/3 each. 

 Wall Bracket, for Insulator, each, 1/8 

 Small Insulator for electric bell work, or Telephone lines, each, 46.. 



6d., and 8d. 

 Small Wall Bracket and Insulator, ditto, each, 1/3 



13 and 15, Mosley-street, Neivcastle-on-Tyne. 



