Excerpt from the tube collection of Benedetto Pirani. These images (tube photos) were uploaded to the respective tubes or valves by Benedetto Pirani.
B409 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
373 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
RE064 |
1926 |
Telefunken Deutschland (TFK)... |
D |
|
RE074 |
1926 |
Telefunken Deutschland (TFK)... |
D |
|
RE134 |
1926 |
Telefunken Deutschland (TFK)... |
D |
|
REN1104 |
1926 |
Telefunken Deutschland (TFK)... |
D |
|
RENS1204 |
1927 |
Telefunken Deutschland (TFK)... |
D |
|
27 |
1927 |
Common type Worldwide tube/s... |
ZZ |
|
UY227 |
1927 |
Common type USA tube/semicond. |
USA |
|
UX226 |
1927 |
Common type USA tube/semicond. |
USA |
|
E408N |
1928 |
Philips; Eindhoven (tubes in... |
NL |
|
E442 |
1928 |
Philips; Eindhoven (tubes in... |
NL |
|
RE604 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RES164 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
1561 |
1928 |
Philips; Eindhoven (tubes in... |
NL |
|
24A |
1929 |
Common type USA tube/semicond. |
USA |
|
45 |
1929 |
Common type USA tube/semicond. |
USA |
|
38 |
1930 |
RCA (RCA Victor Co. Inc.); N... |
USA |
|
47 |
1931 |
Common type USA tube/semicond. |
USA |
|
55 |
1931 |
Common type USA tube/semicond. |
USA |
|
57 |
1931 |
Common type USA tube/semicond. |
USA |
|
58 |
1931 |
Common type USA tube/semicond. |
USA |
|
E499 |
1932 ? |
Philips; Eindhoven (tubes in... |
NL |
|
RENS1374d |
1932 |
Telefunken Deutschland (TFK)... |
D |
|
2A5 |
1932 |
Common type USA tube/semicond. |
USA |
|
56 |
1932 |
Common type USA tube/semicond. |
USA |
|
41 |
1932 |
Common type USA tube/semicond. |
USA |
|
6A7 |
1933 |
Common type USA tube/semicond. |
USA |
|
6B7 |
1933 |
Common type USA tube/semicond. |
USA |
|
53 |
1933 |
Common type USA tube/semicond. |
USA |
|
Benedetto Pirani started his/her tube collection (valve collection) here on 03.Feb.2019.
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