The first electric light bulbs needed a health warning: ‘Do not try and light with a match.’
The first working television was made from a knitting needle, the lid of a hatbox, an electric fan motor, and torch batteries, all put together on top of an old tea-chest.
A feast of weird and wonderful facts about inventions …
A Science Museum Book of Amazing Facts
Illustrated by Ross Collins
[published by Hodder Children’s Books]