Slide Ruler for ALL WABASH Superflash Photolamps (No 25)Zoom

Slide Ruler for ALL WABASH Superflash Photolamps (No 25)

Item# bulbsNo25
$41.30
item #bulbsNo25. Select desired shutter speed. Select flashbulb lamp type. Select Film Speed. Read the correct F number on the bottom scale below the distance in FEET to your subject. Circa 1946. Condition 9.
Scroll to top