An overview of the BTH equipment installed at the Odeon Leicester Square.
An overview of BT-H’s projection equipment, with special reference to the S/U/P/A and Supa Mark 2.
Instruction Book No. 1645 for the BT-H SUPA projector.
An overview of the BT-H presense at the Festival of Britain.
Operation and maintenance instructions for the BT-H Supa Mk. 2 film projector.
BT-H Instruction Book No. 1665, with operation instructions for the Supa Mk. 2 projector.
Instruction book no. 1572 for the BT-H type A. projector mechanisms.
Instruction book No. 1572 from BT-H, on the Type A Forms K, KB and KC projector mechanism.
