Artifact Details

Title

Harmonic analyzer

Catalog Number

102756991

Type

Physical Object

Date

1947

Manufacturer

A. Ott

Place Manufactured

Germany

Identifying Numbers

Serial number 2257 On label built into main frame of instrument

Dimensions

overall: 3 1/4 in x 34 3/4 in x 23 in

Description

Object is a large flat wooden box containing the parts of a harmonic analyzer. These parts are:
1. A cast metal frame with a sliding rack gear and two plates with multiple holes to attach other gears,
2. A steel rail with calibration markings,
3. A triangular frame with adjustable tracing point needle,
4. A metal scale with a "T" end,
5. A wooden table with attached graph paper,
6. 42 flat gears, and 6 thick gears on the left side of center line, all marked with a "I",
7. 42 flat gears, and 6 thick gears on the right side of center line, all marked with a "II",
8. An article about this instrument was found with the instrument. It is cataloged separately.
A typed label attached to the top of the wooden case reads: "Original Number herewith Restored. Plant Acct. No. 000988. Ser. No. 2257".

Credit

Gift of Suzanna Pedersen

Lot Number

X7925.2017