Mazda lamp prices (ca. 1936)

[master_dave]

New prices effective May 1, 1936
Watts Old price NEW PRICE
150 clear 00.40 00.25
200 clear 00.55 00.45
300 clear 00.90 00.75
500 clear 01.55 01.40
DAYLIGHT
150 clear 00.65 00.50
200 clear 00.90 00.80
300 clear 01.35 01.20
500 clear 02.30 02.15

Prices on comparable types of inside-frosted lamps and white bowl lamps have been reduced proportionately.

Three-Lite Lamp
100-200-300 01.00 00.80

Note that twenty-five cents then is four dollars eighteen cents now!  The Electric Journal 1936, page 0254.