Camera obscura. Mahogany box with metal hood. Round glass screen 6 x 6 1/2cm. F: 8cm lens in sliding mount, 7 x 6 1/2 x 7 1/2 cm. (M2276) Mahogany camera obscura
Small mahogany reflex camera obscura with sliding-box focus, c.1800 Reflex Camera Obscura With Sliding-box Focus circa 1800
