[LargeFormat] Some simple lens coverage tests with paper negatives

[Jim Hemenway]

Les:

It might be the same as it's mounted in a Compound shutter as is the
Protarlinse.

-- 

Jim - http://www.hemenway.com



Les Newcomer wrote:
> 
>snip<
> 
> I have an undated B&L "Anastigmatics"  catalog that  That shows (as you
> said) a No. 19  covering 8x10 as a pair of 23 1/8"  However I also have
> a 1914 B&L Lens catalog shows the same number 19 as being 23 1/4" and
> covers 12 x 16 at smaller stops.  It cost 179.00 in a Compound shutter
> the same year Henry Ford doubled the factory worker's wage to $5.00 a
> day
\