Kangaroo-pouch tone-tool

00.0216 Kangaroo pouch tone tool.jpg

Dublin Core

Title

Kangaroo-pouch tone-tool

Subject

Description

Large, upright wooden frame with cross beams at side. Two vertical poles / tubes at each side divided into four sections with acetate discs. Paper reels (cut to represent pitch) are fed through a series of metal poles - a roller runs along top (cut) edge of paper to sense the pitch , each vertical section and a sine wave oscillator. Three oscillators had the fundamental frequency marked on masking tape.

Date

1952

Format

Paper, softwood, cardboard tubes, wire, electronics, 260 x 214 x 83cm

Identifier

00.0216
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