Electric Toy Making for Amateurs —— Including Batteries, Magnets, Motors, Miscellaneous Toys and Dynamo Construction

Name: Electric Toy Making for Amateurs
Rating: 3.52
ISBN: 9781330198094

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ISBN: 9781330198094 出版年：2016 页码：142 T O'conor Sloane Forgotten Books

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内容简介

How to Magnetize Steel Bars — Rolling Armatures Mahomet's Coffin — Magnetic Jack-straws — The Magnetic Top — The Magnetic Pendulum — Mayer's Floating Needles -magnetic Fishes, and the Magnetic Swan, Boat, etc.

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