Page 10 Advertisement 1

Radio Record, Volume I, Issue 39, 13 April 1928, Page 10

PROOF CONCLUSIVE? 4 THAT The NEW NATIONAL (n BAT- TERY ELIMINATOR saves the user good money, and delivers Depend able, Silent (B" Power for any type of valve receiver. A CONSTANT SUPPLY OF "B" POWER WITH NO HUM; The total current consumption taken by the National "B" Eliminator is 40 watts on Ful} Load of 180 Folts and drawing 70 milliamperes (Very few sets would draw as much a8 70 m.a,, but Te have allowed for the Eliminator working at full capacity in order to make 2 comparison test clear to all,) COMPARISON OF COST TO USER. Based On RETAIL Price of Eliminator f12/10/-. Interest at 7 per ccnt: for 12 months 0 17 6 Cost of current used per year on { hasis of 3 hours per night on an average 6 or 7 valve set 40 units at cost of 3d. per unit 0 10 0 Total Cost Per Year using NATIONAL ELIMINATOR {1 7 0 Against using oversize 'B" Batteries, giving only 135 volts, at tle least 2 sets of batteries would be required per year: At 2 cost of 30/- each 6 Batteries at 30/- each Total Cost per year using {B" Batteries } , 0 0 BALANCE MONEY SAVED by use of Eliminator 7 12 6 RESULT at end of year National Dliminator in good order and with many years of servite to come. {B" BATTERIES DUDW!! WHICH ? ASK YOUR DEALER TO DEMONSTRATE; BOND & BOND, LTD. AUCKLAND NS MASTER AGENTS;