Made in USA by Tung-Sol.
Silver plate. Medium-Mu Direct hearter triode.
Very good for driver and Pre-amplifier...

Nos in original box. Matched pair are available.

Made in USA.
Silver plate and Bottom D-Getter
Very good for DIY Pre-amplifier.
30 = VT-27 = VT-67 = CV604
Nos in original box.

Made in USA by National Union.
Silver plate and Bottom D-Getter
Very good for DIY Pre-amplifier.
30 = VT-27 = VT-67 = CV604
Nos in original box.

Made in USA by National Union.
Silver plate and Bottom D-Getter
Very good for DIY Pre-amplifier.
30 = VT-27 = VT-67 = CV604
Nos in original box.

Made in USA by RCA.
Silver plate and Bottom Pan-Getter
Very good for DIY Pre-amplifier.
30 = VT-27 = VT-67 = CV604
Nos in original box.

Made in USA.
Special design with ceramic base, silver plate and Bottom Pan-Getter
Very good for DIY Pre-amplifier.
30 = VT-27 = VT-67 = CV604
New but no box. Tested strong. Matched pair and quad are available.

Made in USA.
Medium-Mu Triode with 5VDC filament. Very good for driver.
Engrave base, silver plate. Balloon type 
Data here
Nos in original box. Matched pair are available.

Made in USA by RCA.
Medium-Mu Triode with 5VDC filament. Very good for driver.
Engrave base, silver plate. Balloon type 
Data here
Nos in original box. Matched pair are available.

Made in USA by RCA.
Medium-Mu Triode with 5VDC filament.
Engrave base, silver plate. Very good for driver.
Data here
Nos but no box. Matched pair are available.