Radio Blinker Signal Set Early Case
Perry & Sons, Frank B.; Providence (RI)
- Produttore / Marca
- Perry & Sons, Frank B.; Providence (RI)
- Anno
- 1917/1918 ?
- Categoria
- Attrezzature Morse & TTY, RTTY, TDD etc.
- Radiomuseum.org ID
- 358580
Popular Mechanics, June 1920, page 184
- Gamme d'onda
- - senza
- Tensioni di funzionamento
- Batterie a secco / 3 Volt
- Altoparlante
- - - Nessuna uscita audio.
- Materiali
- Mobile in legno
- Radiomuseum.org
- Modello: Radio Blinker Signal Set [Early Case] - Perry & Sons, Frank B.;
- Forma
- Tascabile (portatile molto piccola), < 20 cm
- Annotazioni
-
The Perry Radio Blinker Signal Set Type Late Case has the following features:
- Self-contained unit used for Morse code training.
- Switch selects off, weak buzzer (high series resistor), loud buzzer (low series resistor), or lamp.
- The internal Eveready 3V battery is connected to the buzzer or lamp with the circuit completed when the key is depressed.
- Officially adopted by the US Navy, Massachusetts Institute of Technology, and Boy Scouts of America. Used by the US Army and US Marine Corps.
Similar to the Perry Radio Blinker Signal Set Early Breadboard except mounted in a wooden case with internal Eveready 3V battery. This version does not have the terminals for intercommunication with other units.
- Peso netto
- 1 lb 6 oz (1.375 lb) / 0.624 kg
- Prezzo nel primo anno
- 5.00 USD
- Letteratura / Schemi (1)
- -- Original prospect or advert (The Philadelphia (PA) Inquirer, Jan. 20, 1918, page 29)
- Letteratura / Schemi (2)
- Popular Mechanics (June 1920, page 184)
- Autore
- Modello inviato da Jerry Elarton. Utilizzare "Proponi modifica" per inviare ulteriori dati.
- Altri modelli
-
In questo link sono elencati 7 modelli, di cui 7 con immagini e 1 con schemi.
Elenco delle radio e altri apparecchi della Perry & Sons, Frank B.; Providence (RI)