Handbook of projection for theatre managers and motion picture projectionists ([1922])

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HANDBOOK OF PROJECTION FOR Over-speeding and Its Results 216 Correct Speed of Projection 39-217 Reasons for Necessary Variable Projection Speed 217 Projection Speed Chart 215 Rear Projection — General Data Concerning Same 233 Overshooting. What It is 36 Screen Brilliancy — What Is Meant By the Term.. 43 Leader and Tail-piece 284 Projection Room, The Location 293 Objections to Great Distance Lens to Screen 294-295-2% Front of Balcony Location 296 Main Floor Location 298 Essentials of Good Projection Room 300-301-302-303 Projection Room Door 304 The Floor 304 Wall Construction 306 Conduit— Building Into Walls 306 Ports 306 Locating Ports 307 Filling in Ports. Figure 85 309 Size of Observation Ports 309 Glass Over Ports 310 Sliding Shutter for Observation Port 310 Shadow Box for Port 311 Small Ports and the Law 312 Port Fire Shutters 312 to 316 Ventilation 317-318-319 Projection Room Equipment 319 Projection Room Closets 320 Running Water— Toilet 321 Proj ection Room Chair 321 Projection Room Reels 322 Projection Room Supplies 327 Records Should Be Kept 329 Proof That Too Great Economy in Supplies Does Not Pay 329 Projection Room Lighting Lighting of Room of Great Importance 344 Connection Between Projection Room Illumination and Screen Results 344-345 Lighting for Rooms With Small Observation Ports 345 Two Circuit System Used in England 345 Burning of Incandescents While Projecting Should Be Forbidden ..,,,,,.,,,,, 345 xvi