Excerpt from the tube collection of Peter den Boer. These images (tube photos) were uploaded to the respective tubes or valves by Peter den Boer.
Sodion_S13 |
1923 |
Connecticut Telephone & Elec... |
USA |
|
SolodyneTube |
|
Nutron Manufacturing Co.; Pa... |
USA |
|
SX226 |
|
Sylvania (Hygrade, GTE, Nilc... |
USA |
|
T_Pliotron |
|
General Electric Co. (GE); B... |
USA |
|
TB1_Kenotron |
|
General Electric Co. (GE); B... |
USA |
|
UV200 |
1920 |
General Electric for Brand R... |
USA |
|
UV202 |
1921 |
RCA (RCA Victor Co. Inc.); N... |
USA |
|
UV211 |
|
General Electric for Brand R... |
USA |
|
UV216 |
1921 |
General Electric for Brand R... |
USA |
|
UY224 |
1929 |
Common type USA tube/semicond. |
USA |
|
VT-1 |
1917 |
Western Electric Company Inc... |
USA |
|
VT-25 |
|
Common type USA tube/semicond. |
USA |
|
VT-62 |
|
Common type USA tube/semicond. |
USA |
|
WM26 |
|
Westinghouse El. & Mfg. Co. ... |
USA |
|
X200A |
|
Common type USA tube/semicond. |
USA |
|
Y227 |
|
Common type USA tube/semicond. |
USA |
|
Z51 |
|
Zenith (tubes), Duratron Rad... |
USA |
|
01B |
|
Common type USA tube/semicond. |
USA |
|
7L7 |
|
Common type USA tube/semicond. |
USA |
|
12C8 |
1939 |
Common type USA tube/semicond. |
USA |
|
14C5 |
|
Common type USA tube/semicond. |
USA |
|
15 |
1932 |
Common type USA tube/semicond. |
USA |
|
19 |
1933 |
Common type USA tube/semicond. |
USA |
|
22 |
1927 |
Common type USA tube/semicond. |
USA |
|
24A |
1929 |
Common type USA tube/semicond. |
USA |
|
51 |
1931 |
Common type USA tube/semicond. |
USA |
|
53 |
1933 |
Common type USA tube/semicond. |
USA |
|
62A_Farad |
|
Farad Corp.; New York |
USA |
|
75 |
1933 |
Common type USA tube/semicond. |
USA |
|
99X_Myers |
|
Myers, E.B. Ltd.; Cleveland ... |
USA |
|
Peter den Boer started his/her tube collection (valve collection) here on 22.Aug.2010.
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