About
In 1910, when this book was published, the advancement of modern mechanism was still moving at a rapid pace. It must have seemed like very day, new inventions were made to make life easier. Most of these are still very much in use today, such as the lawn-mower, automatic milking machines in the dairy industry, fire engines, and escalators. Learn about how these worked in this volume. - Summary by Carolin
Source and licence
This work is public domain or openly licensed. The licence terms are published by the source.
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