Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
77 |
1933 |
Common type USA tube/semicond. |
USA |
|
78 |
1933 |
Common type Worldwide tube/s... |
ZZ |
|
76 |
1933 |
Common type USA tube/semicond. |
USA |
|
25Z5 |
1933 |
Common type Worldwide tube/s... |
ZZ |
|
AB2 |
1934 |
Common type Europe tube/semi... |
EU |
|
ABC1 |
1934 |
Common type Europe tube/semi... |
EU |
|
AC2 |
1934 |
Common type Europe tube/semi... |
EU |
|
AF3 |
1934 |
Common type Europe tube/semi... |
EU |
|
AF7 |
1934 |
Common type Europe tube/semi... |
EU |
|
AH1 |
1934 |
Common type Europe tube/semi... |
EU |
|
BB1 |
1934 |
Telefunken Deutschland (TFK)... |
D |
|
KC1_4pin |
1934 |
Common type Europe tube/semi... |
EU |
|
KL1_5pin |
1934 |
Common type Europe tube/semi... |
EU |
|
WG34 |
1934 |
Loewe-(Opta); Deutschland |
D |
|
955 |
1934 |
Common type USA tube/semicond. |
USA |
|
AK1 |
1934 |
Common type Europe tube/semi... |
EU |
|
CK1 |
1934 |
Common type Europe tube/semi... |
EU |
|
CL1 |
1934 |
Common type Europe tube/semi... |
EU |
|
CL2 |
1934 |
Common type Europe tube/semi... |
EU |
|
CY2 |
1934 |
Common type Europe tube/semi... |
EU |
|
EF1 |
1934 |
Philips; Eindhoven (tubes in... |
NL |
|
EZ1 |
1934 |
Common type Europe tube/semi... |
EU |
|
KBC1 |
1934 |
Common type Europe tube/semi... |
EU |
|
AZ1 |
1935 |
Common type Europe tube/semi... |
EU |
|
CF7 |
1935 |
Common type Europe tube/semi... |
EU |
|
6E5 |
1935 |
Common type USA tube/semicond. |
USA |
|
6K7 |
1935 |
Common type USA tube/semicond. |
USA |
|
6K7G |
1935 |
Common type USA tube/semicond. |
USA |
|
30NG |
1935 |
Loewe-(Opta); Deutschland |
D |
|
35/51 |
1935 ? |
Common type USA tube/semicond. |
USA |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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