General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

GLASS/ METAL/ BAKELITE/ CARDSTOCK

Dimensions

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

Length

8.7 cm

Width

1.9 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Vacuum Tubes

Category

Receiving

Sub-Category

N/A

Manufacturer

AKA

MYERS

Country

Canada

State/Province

Québec

City

Montréal

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

THIS TUBE TYPE WAS ORIGINALLY MADE IN THE US IN JERSEY CITY, NJ, BUT AS IT INFRINGED OTHER THREE ELEMENT TUBE PATENTS, SPECIAL PATENTS WERE TAKEN OUT BY MYERS IN CANADA AND MANUFACTURE OF THIS TUBE CEASED IN THE US

Function

USED TO DETECT, AMPLIFY OR OSCILLATE RADIO WAVES IN A RADIO RECEIVER

Technical

WIDE SEPARATION OF THE GRID AND ANONDE LEADS TENDED TO PROVIDE LOW DIRECT CAPITANCE, WHICH MADE THE TUBE USABLE AT HIGHER FREQ. THAN SINGLE-ENDED TUBES

Area Notes

Unknown

Details

Markings

PRINTED ON GLASS: 'MADE IN CANADA'/ PRINTIG ON BOX INCLUDES: 'Myers/ UNIVERSAL/ for/ Operation On/ 3 Dry Cells/ or Storage Battery/ Myers/ DETECTOR/ AMPLIFIER/ OSCILLATOR/ E.B. Myers Co. Ltd./ Radio Vacuum Tubes/ 240 CRAIG ST. WESTMONTREAL/ Under Canadian Patent No. 229,182 No. 229,183 No. 229,184'

Missing

TWO FLAPS ON CARTON END

Finish

ONE BLACK CAP AND ONE WINE CAP/ UNCOLOURED GLASS/ BEIGE BOX WITH RED & BLACK PRINTING

Decoration

N/A