Technology explorer toy

Involving mysterious gravity and mystical energy, an adjustable, educational, structural model incorporates an object suspended from a frame in various ways with flexible line, and instrumented with masses connected to it by springs. The structure functions to transfer forces of nature and man into...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LALLY ROBERT WILLIAM
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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