Illinois: man uses amateur movie camera to film his children but doesnt ’t have the correct exposure from using his light meter. At Belle & Howell movie camera manufactures in Chicago, an automated exposure adjustment system is tested. Solar energy is used. Women assemble solar eye mechanisms, using a microscope. Iris and aperture of cameras are shown in extreme close up. Also see the inner workings of the cameras. This is very cool. The cameras are seen being made by hand and also on an assembly line. Man uses camera and puts on film show for family using a projector.