Speed camera no. DS170
J. H. Dallmeyer, London; 2¼ x 3¼ inch, with a Dallmeyer Pentac f/2.9 4¼ inch lens no. 107179 and four double darkslides, in maker's fitted case
Speed camera no. DS170
J. H. Dallmeyer, London; 2¼ x 3¼ inch, with a Dallmeyer Pentac f/2.9 4¼ inch lens no. 107179 and four double darkslides, in maker's fitted case
