Category: Price < 20 Dollars∨g=

Objects In Container Switch.

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--- "DO IT YOURSELF" ENTRY ------- PURPOSE: Switch which will turn on a tape player, battery toy or light when the child drops something into a container. Switch made from a metal cookie or candy tin a 3/4 inch copper U-bracket, 4 3/8 inch, 6-32 bolts with nuts, corregated cardboard and foam rubber. Provides instructions, diagrams and photograph. Suggests uses. SKILLS REQUIRED: Electronics. Soldering. Assembly. AUTHOR: Burkhart, L J TITLE: More Homemade Battery Devices for Severely Handicapped Children with Suggested Activities REF: Millville, Pennsylvania: Linda J Burkhart: p 57-60 NARIC CALL NUMBER: R2509 PAGES (including cover): 5 1982.

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as of: 
01/17/2001