Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

Central Radio Laboratories; CRL, Milwaukee (WI)

As a member you can upload pictures (but not single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
Name: Central Radio Laboratories; CRL, Milwaukee (WI)    (USA)  
Abbreviation: centralrad
Products: Others

According to the June 1922 Electrical Record magazine the Central Radio Laboratories was incorporated under the laws of Wisconsin at 303 Sixteenth Street in Milwaukee, Wisconsin for the purpose of developing and manufacturing radio equipment. E. R. Stoekle Ph.D., formerly of Cutler-Hammer Manufacturing Co. is President of this new concern.
Central Radio Laboratories; Label: Centralab (CRL); 22 Keefe Ave., Milwaukee, Wisconsin.
Manufacturer of potentiometer and capacitors.
Adv. in Radio Broadcast, Jan. 1926.

Founded: 1922

This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
USA  25 Rheostat   Centralab Rheostat available in several values.      
USA  25 Tone Amplifier Model 100 UV201A  Central Radio Laboratories sold the Model 100 "Tone Amplifier" in 1925. It was a single st... 
USA  26 Centralab Modulator Plug   Centralab Modulator plug. Used to regulate tone and volume. 
USA  25 Radiohm, Modulator   Centralab Radiohm, Modulator. Radiohm for oscillation control (200000 ohms) Mod... 
USA  59 Control B16-119   50 K OHMS. Taper C1 Plain. Nutdriver adjustment. 
USA  50 Lever Action Switch 1454   Model is two pole, three position. Original box, hardware included. 


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

Orig. Advert 19xxtbn_us_centralab_19xx_address.jpg
Radio Broadcast, Jan. 1926, p. 396tbn_usa_centralab.jpg
Radio Broadcast, Apr. 1926, p. 717tbn_usa_centralab_3.jpg
June 1922 Electrical Record page 442tbn_usa_centralradiolabs_june_1922_electrical_record_page_442.jpg
Centralab Volume Control Guide 1937tbn_us_centralab_volumecontrolguide1937.jpg

Forum contributions about this manufacturer/brand
Central Radio Laboratories; CRL, Milwaukee (WI)
Threads: 1 | Posts: 1
Hits: 1756     Replies: 0
Centralab - Isolantite
Wolfgang Scheida

Ceramic insulating carrier material was delivered to Centralab by Isolantite Inc. 233 Broadway, N.Y.C., Factory at Belleville, N.J. as mentioned in an IEEE advertising (Shown a wave change switch ~1940s?)

Central Radio Laboratories; CRL, Milwaukee (WI)
End of forum contributions about this manufacturer/brand