General Information

Serial #

6985

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOODEN BASE; SHEET METAL (STEEL) POWER SUPPLY & AUDIO AMPLIFIER CASES; BAKELITE FIBRE COMPONENT MOUNTING PLATES, SOCKETS, ETC. GLASS, METAL & SYNTHETIC VACUUM TUBES. METAL & SYNTHETIC (BAKELITE?) FITTINGS & COMPONENTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

71.5 cm

Width

37.0 cm

Height

26.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Radio

Sub-Category

N/A

Manufacturer

AKA

Rogers

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Canada

State/Province

Ontario

Period

THIS TYPE OF RADIO USED C.1920S-1940S AND POSSIBLY LATER

Canada

STANDARD RADIO MFG. CORP. LTD. WAS THE FIRST CANADIAN COMPANY TOINTRODUCE BATTERYLESS RADIO OPERATION.

Function

TO RECEIVE BROADCAST RADIO SIGNALS & CONVERT TO AUDIO FREQUENCY SUITABLE TO DRIVE A LOUDSPEAKER

Technical

DEMONSTRATES INTRODUCTION OF HEATER TYPE AC FILAMENT TUBES IN A RADIO RECEIVER

Area Notes

Unknown

Details

Markings

OVAL PLATE SCREWED TO FRONT OF RECEIVER READS: 'ROGERS/ BATTERYLESS/ A/C'/ MFR'S PLATE SCREWED TO CASING LID READS: 'PATENTED/ 1916-17-18- 19-20-21-22-23-24-25/ MANUFACTURED BY/ STANDARD RADIO MFG. CORPN./ LIMITED./ TORONTO./ TYPE R-220/ SERIAL NO.6985'. SECOND PLATE BELOW, READS: 'LICENSED BY CANADIAN RADIO PATENTS LIMITED./ ONLY FOR THE NON-COMMERCIAL RECEPTION OF/ PUBLIC RADIO TELEPHONE BROADCASTING./ PATENTED 1914,1916,1917,1918,1921,1922, AND 1924'/ PLATE SCREWED TO POWER SUPPLY READS: 'ROGERS/ A/C/ POWER UNIT/ TYPE R-220 SERIAL NO.6985/ H.E.P.C. APP. NO. 1336/ VOLTAGE 110 FREQUENCY 25-60/ MANUFACTURED BY/ STANDARD RADIO MFG. CORP. LTD./ TORONTO, ONT.'/ Tuning dial divided 0-100 and 200-600, and labelled " APPROX. WAVE LENGTH "./ Gauge on power supply bears scale labelled "LOW", "NORMAL" and "DANGER/ HIGH" and text " SET POINTER AT NORMAL/ ROGERS/ BATTERYLESS/ A./C./ VOLTAGE INDICATOR "./ Sticker on inside of case lid reads: " THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION " and includes OH logo./ Fitted with 5 Rogers type- 32 vacuum tubes. Labels indicate SN, year of manufacture, and standard text: " A/C TUBE/ TYPE-32/ ROGERS/ BATTERYLESS A/C/ RECEIVING SETS/ HEATER VOLTS 3/ PLATE VOLTS MAX. 150/ WARNING/ Positively no Adjustments/ if this label is removed./ No [serial no.]/ Mfg. by/ Rogers Radio Limited/ TORONTO "./ Power supply fitted with Raytheon tube B-H./ Tag " HEATER VOLTAGE CONTROL " tied to power supply removed, and stored in Supp. Info. file.

Missing

NONE From CA of 07/11/1996 by Kevin Machan: Undetermined

Finish

WOODEN CASE FINISHED IN WALNUT STAIN, AND VARNISHED. METAL CASES HAVE GLOSS BLACK FINISH. BROWN SYNTHETIC TUNING KNOBS

Decoration

BASE OF CASE HAS STEPPED & BEVELLED EDGES. TUNING DIALS & VIEWING WINDOW HOUSED WITHIN RECESSED OVAL PANEL