THE MICHAEL TODD COMPANY, INC.
ENGINEERING BULLETIN #2
(1) In some theatres projection and observation ports may have to be enlarged in order to accommodate the picture size specified.
2) Where the above is necessary, necessary construction alterations will be required.
(3) Optical glass or other suitable clear water-white glass is required for projection ports.
Glass should be set at an angle in order to reflect light beam to floor of booth and must be accessible for cleaning on both sides.
ISSUE 3 – 8-12-57