File:Dual-beam Cathode Ray Oscillograph, DuMont Laboratories, c. 1950s - National Electronics Museum - DSC00101.JPG
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editDescriptionDual-beam Cathode Ray Oscillograph, DuMont Laboratories, c. 1950s - National Electronics Museum - DSC00101.JPG |
English: Dual-beam Cathode-Ray Oscillograph, DuMont Laboratories, Clifton, NJ, USA, Type 322-A, S/N 9883, for 115/230 Volt AC, with scale illumination around the knobs, ca. 1950s.
Exhibit in the National Electronics Museum, 1745 West Nursery Road, Linthicum, Maryland, USA. All items in this museum are unclassified. The museum permitted photography without restriction.
Deutsch: Dual-beam Cathode-Ray Oscillograph, DuMont Laboratories, Clifton, NJ, USA, Type 322-A, für 115/230 Volt AC, mit Skalenbeleuchtung um die Drehknöpfe, ca. 1950er Jahre.
Ausgestellt im National Electronics Museum, Linthicum, MD, USA. |
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Date | |||
Source | Own work | ||
Author | Daderot | ||
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editI, the copyright holder of this work, hereby publish it under the following license:
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:05, 21 July 2014 | 3,596 × 4,483 (6.21 MB) | Daderot (talk | contribs) | User created page with UploadWizard |
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File usage on Commons
The following 3 pages use this file:
- File:Amplifier control knobs of Dual-beam Cathode Ray Oscillograph 322-A, DuMont Laboratories, c. 1950s.jpg
- File:Dual-beam Cathode Ray Oscillograph, DuMont Laboratories, c. 1950s - National Electronics Museum - DSC00101 (cropped).JPG
- File:Tube and beam control knobs of Dual-beam Cathode Ray Oscillograph 322-A, DuMont Laboratories, c. 1950s.jpg
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Camera manufacturer | SONY |
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Camera model | DSC-RX100M3 |
Author | Picasa |
Exposure time | 1/25 sec (0.04) |
F-number | f/2.8 |
ISO speed rating | 800 |
Date and time of data generation | 14:28, 21 July 2014 |
Lens focal length | 17.7 mm |
Horizontal resolution | 350 dpi |
Vertical resolution | 350 dpi |
Software used | DSC-RX100M3 v1.00 |
File change date and time | 17:25, 21 July 2014 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 14:28, 21 July 2014 |
Meaning of each component |
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Image compression mode | 4 |
APEX brightness | 1.51328125 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 48 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Unique image ID | 6c26cfb7cff09c31d92f0bf50ccb0b16 |
IIM version | 4 |