Hand held brass microscope, part of a set of miniature optical instruments. Focal length of approx. 1.5" (38mm). Has a clamp so can be mounted to a stand.
one of six telephones. Binatone MP400 DTMF push button telephone, can be wall mounted. 10 memory and redial facility. Early example of mass produced telephone using solid state circuitry; first generation of push button digital phones
Clear plastic box with black metal trim. Inside can be seen the workings including two mirrors. On side there is three controls, one with a single unit scale from 0 to 10; fine to coarse. Three sockets, labelled as A.C. Mains, Ext. Recorder, D.B.…