Both tubes have 7 connector pins. "LTC" and "MADE IN U.S.A." are printed in yellow on the side of the tubes. The boxes are off-white with "JAN CBRZ 6AS6" printed in black on the top flap and "ONE ELECTRON TUBE / JAN CBRZ 6AS6 / DA-36-039-SC-91 / MFD. BY LANSDALE TUBE CO. / DATE PKD. 12/53" printed in black on one side panel.
Date
ca. 1961
Manufacturer
Lansdale Tube Co. (LTC)
Place Manufactured
U.S.
Identifying Numbers
Other number
3-50
Printed in yellow on side of tube
Other number
JAN-CBRZ-6AS6
Printed on side of tube and side of box
Other number
K3B
Printed in grey on side of tube
Part number
6AS6
Printed in yellow on side of tube
Dimensions
box: 2 1/2 in x 1 in x 1 in; tube: 1 3/4 in x 3/4 in x 3/4 in