Natrometer Model C
Natrometer Corporation; Washington D.C.
- Country
- United States of America (USA)
- Manufacturer / Brand
- Natrometer Corporation; Washington D.C.
- Year
- 1922 ?
- Category
- Morse-Equipment & TTY, RTTY, TDD etc.
- Radiomuseum.org ID
- 340436
- Wave bands
- - without
- Power type and voltage
- Dry Batteries
- Loudspeaker
- - only for Earphone!
- Material
- Various materials
- from Radiomuseum.org
- Model: Natrometer Model C - Natrometer Corporation;
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 8.75 x 5.5 x 6.5 inch / 222 x 140 x 165 mm
- Notes
-
A Morse Code training instrument using a spring drive motor. Made for the National Radio Institute (NRI) and used to train both amateur and commercial wireless telegraph operators.
- Net weight (2.2 lb = 1 kg)
- 2 lb 5 oz (2.312 lb) / 1.050 kg
- Price in first year of sale
- 20.00 USD
- Mentioned in
- Radio (magazine) (Natrometer ad in February, 1922 issue (page 5))
- Literature/Schematics (1)
- Patent (US patent No. 1,394,768 Patented Oct. 25, 1921)
Description of Natrometer models A, B, and C. | 1413 KB |
- Documents regarding this model
- Author
- Model page created by Gary Berg. See "Data change" for further contributors.
- Other Models
-
Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Natrometer Corporation; Washington D.C.
Collections
The model Natrometer is part of the collections of the following members.