Note
QST, Dec 1958, p 186.
QST, Feb 1959, p. 120. (appears like a chassis-only kind of set up, different than the more finished product seen in Jul 1959)
QST, Jul 1959, p. 122.
QST, Mar 1960, p. 128.
QST, Dec 1960, p. 158. (2 meter version)
Electronic Laboratory of Jackson, Michigan made a line of 6 and 2 meter gear in the 1950s and early '60s .The LW-51 transmitter ran 50 watts input on 6 meters with a 6146.1t was plate-modulated. The factory-assembled LW-51 came with tubes and a crystal; the kit version did not. The LW-51 Deluxe included a cabinet and meter.
Good inside photo: QST, May 1960, back cover.