Type B. Q. Wavemeter Z7042
Clapp-Eastham Co.; Cambridge, MA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Clapp-Eastham Co.; Cambridge, MA
- Year
- 1919 ??
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 313830
-
- Brand: Radak
Atlantic Radio Co. Bulletin 14 (1919)
- Main principle
- Crystal or Solid State Detector
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Dry Batteries
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Type B. Q. Wavemeter Z7042 - Clapp-Eastham Co.; Cambridge,
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 8.25 x 6.5 x 5.75 inch / 210 x 165 x 146 mm
- Notes
-
Wave meter (closed oscillatory circuit type) for use with buzzer in order to generate damped waves of known frequency. Wavlength 150 - 2000 m. The necessary inductance coil is mounted on binding posts on top of the instrument panel.
Suited for measurement of signals from outside source when operated with detector and telephone.
- Net weight (2.2 lb = 1 kg)
- 5 lb (5 lb 0 oz) / 2.270 kg
- Price in first year of sale
- 27.50 $
- Mentioned in
- Atlantic Radio Co. Bulletin 14 (1919)
- Author
- Model page created by Nikolaus Löwe. See "Data change" for further contributors.
- Other Models
-
Here you find 130 models, 107 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Clapp-Eastham Co.; Cambridge, MA