American Standard: Sound Focusing Test Film for 35-Millimeter Motion Picture Sound Reproducers (Service Type)
1950 ◽
Vol 54
(1)
◽
pp. 107-107
1950 ◽
Vol 54
(1)
◽
pp. 108-108
1952 ◽
Vol 59
(6)
◽
pp. 531-532
1952 ◽
Vol 59
(2)
◽
pp. 144-152
1954 ◽
Vol 63
(3)
◽
pp. 107-110