Item Description. F24 Camera Data cards 

Giving time interval for 60% overlap for speed and height variations for 8, 5 and 3žinch lenses

Ship/Place/Originator.

Original Reference.

Date/ Date Range.  

Submitted By. Roy Penney

Now Held By. Roy Penney

Date Added to site. 15-10-2016

Historians Number. Hist1318