S.L. 10.17 Art. 10Cinematograph apparatus.

The cinematograph apparatus shall be placed in an enclosure of substantial construction, made of or lined internally with fire resisting material and of sufficient dimensions to allow the operator to work freely. The enclosure is to be properly ventilated. The vent holes to be communicated to the exterior of the auditorium and to have metal shutters that may be easily closed from outside the enclosure so as to stop any escape of fire or smoke.