Filter, Low pass

Object/Artifact

-

Waseca County History Center

Name/Title

Filter, Low pass

Entry/Object ID

1.88.202

Description

E. F. Johnson Company Product. Material: metal. Size: 2 1/4" diameter x 9" L. Description: aluminum rod - teflon coated - Catalog No. 250-20 low pass filter - labeled: "Low Pass Filter, E.F. Johnson Company, Waseca, Minnesota, U.S.A." Museum label: "250-20 - 1960." See reference in comment section.

Context

E.F. Johnson Co. Collection. Reference: Catalog # 975, page 1 (in E.F. Johnson Co. Museum). Waseca business: E.F. Johnson Co.; E.F. Johnson Company; E.F. Johnson Corporate Headquarters; E.F. Johnson Company Corporate Headquarters; E.F. Johnson Co. Corporate Headquarters; E. F. Johnson Co.; E. F. Johnson Company; E. F. Johnson Corporate Headquarters; E. F. Johnson Company Corporate Headquarters; E. F. Johnson Co. Corporate Headquarters.

Cataloged By

Legacy Photo Import

Lexicon

Legacy Lexicon

Object Name

Filter, Low pass

Class

Electrical & Magnetic T & E

Category

Tools & Eq for Sci & Tech

Condition

Overall Condition

Good

Exhibitions

Notes

to 1988, B.3.C.2

Create Date

April 28, 1988

Update Date

November 21, 2024