Vacuum tube

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Ingenium, 1993.0326.001
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OBJECT TYPE: ION GAUGE
DATE: 1950–1980
ARTIFACT NUMBER: 1993.0326.001

MANUFACTURER: VEECO INSTRUMENTS INC.
MODEL: RG75K
LOCATION: Plainview, New York, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: GLASS & METAL CONSTRUCTION.

Dimensions

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

Length: 16.0 cm
Width: 6.5 cm
Height: 19.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Vacuum Tubes
Category: Specialised
Sub-Category: N/A

Manufacturer

AKA: VEECO
Country: United States of America
State/Province: New York
City: Plainview

Context

Country: Canada
State/Province: Ontario
Period: THIS TUBE PRESUMABLY USED C. 1950S- MID 1980S.
Canada: USED WITH 3M SPECTROGRAPH (930323) DESIGNED AND BUILT AT NRC, FOR USE BY DR. GERHARD HERZBERG IN STUDIES OF MOLECULAR STRUCTURE.
Function: TO MEASURE LOW GAS PRESSURE BY THE AMOUNT OF IONIZATION CURRENT PRODUCED.
Technical: Unknown
Area Notes: Unknown

Details

Markings: " ION GAUGE/ RG75K/ Veeco [registered trademark symbol]/ INSTRUMENTS INC./ PAT. NO. 2848635/ 456 " printed in red on tube casing. " 678 4NC ", "4" & " VDLR " handwritten in black ink on metal flange. " VACUUM TUBE [with] SENDING UNIT & METAL FLANG [sic] " handwritten on tag tied totube.
Missing: APPEARS COMPLETE. From CA of 11/15/2001 by Matthew Bruce: No - appears complete
Finish: CLEAR GLASS TUBE BEARS RED MARKINGS.
Decoration: N/A

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VEECO INSTRUMENTS INC., Vacuum tube, circa 1950–1980, Artifact no. 1993.0326, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1993.0326.001/

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