No name triode, late 1910s
De Forest triode, early 1920s
Repaired detector UV-201 early 1920s
RCA Radiotron WD-11, 1922
No name triode, early 1920s
RCA Radiotron UV-200, 1924
General Electric UV-201, 1920
LE Radion Detector, 1914
Western Electric VT-1, 1917
Telefunken RGN 1503 rectifier, late 1920s
Telefunken RE 604 power triode, 1928
Telefunken RGN 1504 rectifier, 1927
Radio Record R-250 gas rectifier, 1927
Phillips rectifier, mid 1920s
Siemens & Halske BA, 1928
Siemens & Halske СA, late 1920s
Telefunken REN-904, 1929
Tungar rectifier, 1928
Songbird detector-amplfier, late 1920s
Telefunken Raytheon RGN 1500 rectifier, 1928
Siemens & Halske BO, 1926
RCA Radiotron rectifier-amplifier, early 1920s
Western Electric 216-A, 1922
Western Electric 205-B, 1918
Western Electric VT-2, 1918
AEG-Telefunken RE-58, 1920
Western Electric 101-DW, 1922
Western Electric VT-1, 1917
AEG-Telefunken RE-11, 1923
KTD triode, early 1920s
No name triode, early 1920s
No name triode, early 1920s
AEG-Telefunken RE-11, 1925
Siemens & Halske DA, 1928
Le Radion Amplfier, late 1910s
Атрибуты съемки:
Камера: Nikon-D1.v3, 1999-2018
Объектив: Schneider Xenar.v2 1:3.5 F=75mm, 1935-2018
Формат: NEF
Обработка: Nikon Capture 4.4, 2005
Компьютер: Apple PowerBook G4, 1mHz, 2002
Операционная система: Mac OSX-10.3.9
Объектив: Schneider Xenar.v2 1:3.5 F=75mm, 1935-2018
Формат: NEF
Обработка: Nikon Capture 4.4, 2005
Компьютер: Apple PowerBook G4, 1mHz, 2002
Операционная система: Mac OSX-10.3.9
Антон Степичев, 21.04.2018