Note
Allied Radio catalog 1957 (issued 1956), p. 202.
QST, Jan 1956, p. 160.
Allied Radio catalog 1958 (copyright 1957), p. 229.
Allied Radio catalog 1959 (copyright 1958), pp. 265, 377.
Allied Radio catalog 1960 (copyright 1959), p. 266.
Allied Radio catalog 1961 (copyright 1960), p. 282.
Knight's 50 watt CW transmitter came in kit form. It offered band-switching coverage of 80-10 meters, with a 6AG7 /807 tube lineup and a 5U4 rectifier in its internal power supply.
References
Use on 6 meters. CQ, Aug 1957, p. 90.