[Compiled Johnson's Wireless College lesson papers]

Object detail

Accession number

04/001/007

Maker

Johnson's Wireless College
Leslie Ernest Birch

Description

Includes Johnson's Wireless School lesson papers: 59: The automatic alarm -- 29: Radio frequency amplification -- 30: Superheterodyne -- 30A: Audio frequency amplifiers -- 30B: Push-pull amplification -- 31: The neutrodyne circuit -- 32: Three electrode valve -- 33: How the screen-grid obtains its sensitivity -- 34: The pentode -- 34A: Various types of valves.
There is also some unattributed notes on the superheterodyne.
Containing annotations.

Signature/Marks and Type

"L. Birch" - on cover Hand-written

Media/Materials

Processed Material/Paper

Physical description

1 volume, misc. pagination. : diags ; 33 cm

Other title

The Automatic Alarm. Paper no. 59 + superhets

Record level

Series

Collection

Leslie Birch Collection

Credit line

Johnson's Wireless College et al. 1930s. [Compiled Johnson's Wireless College lesson papers], 04/001/007. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).

Current rights

My shortlist

Classification

Communication Artefacts Documentary Artefacts Instructional Documents

Production place

Dunedin Dunedin City Dunedin District Otago New Zealand

Subject: all levels

Citizens band radio Radio broadcasting New Zealand Radio Receivers and reception Transmitters and transmission

Collection type

Ephemera and manuscripts Walsh Memorial Library

Subject auto tags

Rectangle Book Handwriting Font Paper Paper product Parallel Document Square Metal

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