General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

GLASS TUBE; METAL PARTS; PAPER LABELS

Dimensions

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

Length

34.0 cm

Width

10.0 cm

Height

20.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Demonstration & teaching equipment

Sub-Category

N/A

Manufacturer

AKA

Electro Technic

Country

United States of America

State/Province

Illinois

City

Chicago

Context

Country

Canada

State/Province

Ontario

Period

1970S

Canada

USED BY CANADA SCIENCE & TECHNOLOGY MUSEUM.

Function

PHYSICS DEMONSTRATION EQUIPMENT USED TO DEMONSTRATE ELECTRON FLOW WITH HIGH VOLTAGE (10-20 KV) DC SUPPLY WITH PHOSPHORESCENT OBLIQUE SCREEN.

Technical

FOR SHOWING THAT ELECTRONS OF CATHODE RAY ARE ELECTRICALLY CHARGED & ARE DEFLECTED BY APPROACH OF MAGNET. CONSISTS OF EXHAUSTED GLASS CYLINDER WITH ELECTRODES AT EACH END & FLUORESCENT COATED SCREEN WITH SLIT MOUNTED LENGTHWISE WITH SLIT NEAREST NEGATIVE ELECTRODE. IN MAGNETIC FIELD, LUMINOUS LINE IS BENT EITHER UPWARD OR DOWNWARD, DEPENDING ON POLARITY OF MAGNET (REF. 1-2).

Area Notes

Unknown

Details

Markings

BLACK LETTERING ON LABEL AT ONE END OF TUBE READS "This tube had been manufactured and/ tested for radiation by Electro-Technic/ Products, Chicago, Illinois 60640, and/ manufactured and/ tested for radiation by Electro-Technic/ Products, Chicago, Illinois 60640, and/ conforms to all apple/ performance standards prescribed in/ 42/CFR/part 78, Sub Part C. Instruc-/tion sheet should be observed/ OCT 72"; SIMILAR LABEL AT OTHER END READS IN PART "CAUTION" & "CATHODE-NEGATIVE/ TERMINAL"

Missing

APPEARS COMPLETE

Finish

COLOURLESS TRANSPARENT GLASS; PLATED & COATED METAL PARTS; YELLOW LABELS

Decoration

N/A