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History of the manufacturer  

Sprague Electric Company; North Adams, MA

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Name: Sprague Electric Company; North Adams, MA    (USA)  
Abbreviation: sprague
Products: Model types Others
Summary:

Sprague Electric Company
865 South Church Street, North Adams, MA 01247

Also: Sprague Specialties Company, North Adams, MA (~1930) for electrolytic condensers.

Sprague Electric Limited. 
159 High Sreet, Yiewsley, West Drayton, Middlesex. UK (1977)

Found in "Electronic Engineering" number 587, volume 49, January 1977.
Always as a capacitor manufacturer.

Founded: 1926
History:
Sprague World Trade Corp. Vertretung in Österreich durch Elbatex GmbH; 1123 Wien 12; Gatterholzgasse 20.

From the brand of an electrolytic capacitor, a commercial agreement must have been made to build the Sprague capacitors in Italy by the Italian "Creas"

This manufacturer was suggested by Vitor Oliveira.


Some models:
Country Year Name 1st Tube Notes
USA  51 TO-3 Tel-Ohmike   Bridge-type instrument for measuring capacity and resistance, with built-in DC VOM. 
USA  53–56 KT-1 Kwik-Test Capacitor Checker 1626  Range of capacitors: 30pF to 2,000uF.  
USA  52 TO-4 Tel-Ohmike 12J5GT  Tel-Ohmike Capacitor-Resitor Bridge. 
USA  56 202 Signal Tracer 6AB4  Audio imput flat from 2 cps to 200 kc. 
USA  40 Sprague Interference Analyzer   Sprague Interference Analyzer; Box with a 6 position switch. 
USA  63 Tel-Ohmike - Capacitor Analyzer TO-6 6C4  This apparatus is intended to measure Capacitance, Power factor, Leakage Current and Insul... 
USA  58 Tel-Ohmike Capacitor Analyzer TO-5 6C4  Multi purpose instrument for checking and measuring: capacitance, power factor, and insula... 
USA  31 Sprague Visavox   The Sprague Visavox was featured in February 1931 by "Radio News".The Visavox... 
USA  59 Interference Locator - Analyzer 500 6AN4  The Sprague 500 multi-band receiver was the last of the valve specialised radio receive... 
USA  52 Pluggable Electrolytic Capacitor 500MFD./50VDC   Pluggable electrolytic capacitor with octal socket; Capacity: 500 MFD., Maximum voltage... 
USA  63 Tel-Ohmike - Capacitor Analyzer TO-6A 6C4  This apparatus is intended to measure Capacitance, Power factor, Leakage Current and Insul... 

[rmxhdet-en]

Further details for this manufacturer by the members (rmfiorg):

Radio News Dec. 1930tbn_us_spraguespecialtiesco_1930_address_advert.jpg
Werbung für SPRAGUE in Deutschland und Österreich durch die Handelsvertretung in Frankfurt a/M. in der Zeitschrift Elektron 1971 / Heft 4 / Seite 132tbn_usa_sprague_werbung_1971.jpg
Werbung in der Radio-Elektronik-Schau 11/1972, Seite 660tbn_usa_sprague_werbung_1972.jpg
My device.tbn_sprague_creas_capacitor_front.jpg
RECONSTRUCRED CONDENSOR LABEL.tbn_us_sprague_condener_label.jpg

  

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