Expo watch camera. T?I shutter, not self capping - lens cap used. Fitted with a simple lens of fixed aperture and focus. Automatic exposure counter. Manufactured by Expo Camera Co., New York. Identical to Ticka camera. Overall: 24 mm x 58 mm (dia.). Expo watch camera
Expo Police camera. Box form miniature metal camera for special rollfilm in cartridges. With fabric focal plane, simple lens and sliding plate with 2 apertures. T/I shutter, capped by released lever. Brilliant reflecting finder. Automatic exposure counter. Patents US Jan 31 1911. BP 14490 German 446410. Manufactured by Expo Camera Co., New York, USA. Expo Police camera
Expo police camera original carton. Manufactured by Expo Camera Co., New York, USA. Expo police camera original carton
Expo police camera instructions book. Manufactured by Expo Camera Co., New York, USA. Expo police camera instructions book