The box contains 4 small boxes of glass lantern slides and 1 small packet of slides.

Ilford special lantern plate box - 4 lantern slides of mechanical parts of a EE535 ac locomotive including of a bogie-mounted motor and underframe

Ford special lantern plate box - 6 (one broken) lantern slides of battery power mine locomotives

The Slide House Ltd - 6 lantern slides of curve diagrams and 'After all speed timing is Hell's delight' slide

Kodak Plates - 7 lantern slides of battery power mine locomotives and generators and a pantograph

Packet of slides - 6 slides (1 glass) of mechanical assembly operation and of New Zealand Railways diesel electric locomotive