THE DEVELOPMENT OF A VARIABLE TIME DELAY

[11] PARKIN PH, 1951, WIRELESS WORLD

[12] WALLACE RL, 1951, AT&T TECH J, V30, P1145

[13] MAGNETIC RECORDING WITH AC-BIAS [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1951, 39 (02): : 141 - 146

[14] 1951, ACOUS LAB Q PROG REP, P32

[15] 1949, SOUND TALK

[11] PARKIN PH, 1951, WIRELESS WORLD

[12] WALLACE RL, 1951, AT&T TECH J, V30, P1145

[13] MAGNETIC RECORDING WITH AC-BIAS [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1951, 39 (02): : 141 - 146

[14] 1951, ACOUS LAB Q PROG REP, P32

[15] 1949, SOUND TALK