Skip to main content
  • Utility Menu
  • Search
Harvard Logo
HARVARD.EDU

Collections Menu
  • Waywiser
  • People
  • Bibliography
  • Exhibitions
  • Thesaurus
  • My Object Lists
  • About
  • Sign in
Advanced Search
  • Home
  • Objects
  • Acme mounted rectifier, oscillator, and vacuum tube for teaching
  • Images (4)

Acme mounted rectifier, oscillator, and vacuum tube for teaching

  • Images (4)

Acme mounted rectifier, oscillator, and vacuum tube for teaching

Date: circa 1920
Inventory Number: RS0876
Classification: Radio Receiver
Subject:
communications, electronics, radio,
Maker: ACME Apparatus Company (founded 1920)
Maker: Jefferson Physical Laboratory, Harvard University (founded 1884)
User: Harvard College (founded 1636)
Dimensions:
26 x 40 x 30 cm, 21 lb. (10 1/4 x 15 3/4 x 11 13/16 in., 9.5 kg)
Accessories: Belden 300 ohm transmission line.
Description:
Rectifier oscillator and tube mounted on board with transformer, marked "MA2". (General Radio-Cruft)
In Collection(s)
  • radio
Signedplate on top of transformer: ACME OF CAMBRIDGE [written on diagonal across the word ACME] TRANSFORMER / KW 200 P VOLTAGE 110 / CYCLES 60 S. VOLTAGE 750 / PHASES 1 NO. 2089B / ACME APPARATUS CORP. / CAMBRIDGE, MASS. U.S.A.
Historical AttributesJefferson Lab made it up around 1920 and used for teaching (MA2).
ProvenanceJefferson Physical Laboratory, Harvard University; transferred to CHSI in Burr Hall, circa 1973.

Relationships

Parent/Child
View all

Choose Collection

Create new collection

facebook iconTwitter Logo

_______________________________
Join Our Mailing List I Contact
_______________________________
The Collection of Historical Scientific Instruments
Science Center, Room 371 • 1 Oxford Street
Cambridge, MA 02138 •chsi@fas.harvard.edu
p. 617-495-2779 •
f. 617-496-5794
_______________________________
The CHSI is one of the

HMSC Logo

Exhibition Hours

The Putnam Gallery
(Science Center 136):
Monday through Friday, 11a.m. to 4p.m.


The Special Exhibitions Gallery
(Science Center 251):
Monday through Friday, 9a.m. to 5p.m.


The Foyer Gallery
Closed for Installation.

All galleries are closed on University Holidays.

Admission is free of charge.
Children must be escorted by an adult.

Admin Login
OpenScholar
Copyright © 2017 The President and Fellows of Harvard College | Privacy | Accessibility | Report Copyright Infringement

Choose Collection

Create new collection