34S electron tube manufactured by Lafayette Radio Electronics, listed as 34S (circa 1969).

T45 electron tube manufactured by Lafayette Radio Electronics, listed as T45 (circa 1969).

149DF electron tube manufactured by Lafayette Radio Electronics, listed as 149DF (circa 1969).

2N1274 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1274 (circa 1961).

2N409 semiconductor manufactured by Heathkit by Daystrom, listed as 2N409 (circa 1961).

2N238 semiconductor manufactured by Heathkit by Daystrom, listed as 2N238 (circa 1961).

2N1109 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1109 (circa 1961).

2N1107 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1107 (circa 1961).

2N1147 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1147 (circa 1961).

2N254 semiconductor manufactured by Heathkit by Daystrom, listed as 2N254 (circa 1961).

2N1225 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1225 (circa 1961).

2N185 semiconductor manufactured by Heathkit by Daystrom, listed as 2N185 (circa 1961).

2N1727 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1727 (circa 1961).

2N1726 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1726 (circa 1961).

2N408 semiconductor manufactured by Heathkit by Daystrom, listed as 2N408 (circa 1961).

2N1111 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1111 (circa 1961).

2N1110 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1110 (circa 1961).

2N1108 semiconductor manufactured by Heathkit by Daystrom, listed as 2N1108 (circa 1961).

Capacitor Test Instruments, for the manufactured by Cornell-Dubilier Electric Corp., listed as 167A (circa 1939).

7481 semiconductor manufactured by Cornell-Dubilier Electric Corp., listed as 7481 (circa 1939).