132. This Contractor
shall furnish and install trussed steel frame for the rear projection
sheet. The overall size of the frame
shall be for the full width of the stage setting and approximately forty
(40'0") feet high. The inside frame
shall be as directed.
133. The frame shall
be made of not less than one and three-quarter inch by one and three-quarter
inch by three-sixteenth inch (1-3/4" x 1-3/4" x 3/16") angles
constructed and guided in the same manner as the magnascope frame, with drop
forged hooks all around the inner frame, but without any of the magnascope
attachments. The face of the frame shall be stripped with wood to receive a
velour masking. The picture sheet and
the velour masking shall be by OTHERS.
134. The frame shall
be hung from one of the sets of the counterweight system, using sixteen
(16") iron ball bearing loft blocks for this set.