A holder (10) for photographic slides which is normally in a rectilinear condition in which it can be contained in a box. The holder includes a flexible element (12) which has connecting portions (18, 20) at each end thereof. A tongue (28) associated with the portion (18) co-operates with a tongue associated with the portion (20) and the portion (18) co-operates with a flange (34) to secure the holder into the form of a closed loop. A unit (14) is attached to the element (12) and to the portions (18, 20) and forms a series of pockets (54) each of which serves to receive a photographic slide. From the holder (10) the slides are transferred directly to the pockets of a slide magazine for projection. The holder (10), when straight, occupies less space that a rotary projector magazine and is far less expensive to produce.
An electrical cable having a plurality of flat, flexible cable sections. Each section has flat, electrically conductive ground layers on at least the top and bottom surfaces thereof, and a plurality of flat, electrically conductive signal conductors between the ground layers. A plurality of dielectric layers separates the signal conductors from each other and from the ground layers. Each signal conductor includes an exposed surface extending a short distance from the end of the conductor along the length of each section. Adjacent cable sections are positioned relative to each other so that the exposed surfaces of corresponding signal conductors face each other. A plurality of connector assemblies is interposed between adjacent cable sections for electrically conducting the exposed surfaces of the corresponding signal conductors. Retaining means are provided for securing the ends of adjacent cable sections and connector assemblies in electrical contact with each other. The adjacent cable sections terminate at the retaining means and reverse direction to create an accordian type configuration for the cable.
