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AMERICAN STANDARDS — by numbers, confd No. Title Vol., page, issue Z22.63 Z22.64 Z22.65-1948 Z22. 66-1948 Z22.67-1948 Z22. 68-1949 Z22.69-1948 Z22.70-1948 PH22.71- 1950 (Z22.71- 1950) PH22.72- 1950 (Z22.72- 1950) Z22.73 Z22.74 Z22.75 Proposed, Service-Type Multifrequency Test Film for 35-Mm Motion Picture Sound Re- producers Laboratory-Type Multifrequency Test Film for 35-Mm Motion Picture Sound Reproducers Scanning-Beam Uniformity Test Film for 35- Mm Motion Picture Sound Reproducers (Service Type) Proposed Scanning-Beam Uniformity Test Film for 35-Mm Motion Picture Sound Reproducers (Laboratory Type) Proposed 1000-Cycle Balancing Test Film for 35-Mm Motion Picture Sound Reproducers Proposed Buzz-Track Test Film for 35-Mm Motion Pic- ture Sound Reproducers Proposed Sounds Records and Scanning Area of Double Width Push-Pull Sound Prints Normal Cen- terline Type Sound Records and Scanning Area of Double Width Push-Pull Sound Prints Offset Center- line Type Cutting and Perforating Dimensions for 32-Mm Sound Motion Picture Negative and Positive Raw Stock Proposed Cutting and Perforating Dimensions for 32-Mm Silent Motion Picture Negative and Positive Raw Stock Proposed Proposed, Cutting and Perforating Dimensions for 32-Mm on 35-Mm Motion Picture Nega- tive Raw Stock Proposed, Base Point for Focusing Scales on 16-Mm and 8-Mm Motion Picture Cameras Proposed, A and B Windings of 16-Mm Raw- Stock Film With Perforations Along One Edge (Second Draft) Proposed, For Winding of 16-Mm Sound Film (First Draft) 50: 275, Mar. 1948 50: 275, Mar. 1948 51: 542, Nov. 1948 • 50: 275, Mar. 1948 51: 543, Nov. 1948 50: 275, Mar. 1948 51: 545, Nov. 1948 50: 275, Mar. 1948 54: 108, Jan. 1950 50: 276, Mar. 1948 51: 547, Nov. 1948 51: 548, Nov. 1948 56: 237, Feb. 1951 52: 225, Feb. 1949 56: 239, Feb. 1951 52: 227, Feb. 1949 52: 229, Feb. 1949 53: 297, Sept. 1949 56: 113, Jan. 1951 53: 298, Sept. 1949 78