Paul Black (Newport)
In May, 1914, he placed a classified ad in Camera Craft offering for sale a 7-inch f-6.3 Ross Homocentric in Ilex Acme shutter, and a 9 1/2-inch f-6.8 Eurynar lens.
Paul Black (Newport)
In May, 1914, he placed a classified ad in Camera Craft offering for sale a 7-inch f-6.3 Ross Homocentric in Ilex Acme shutter, and a 9 1/2-inch f-6.8 Eurynar lens.