Bryan Donkin improved upon his concept, even... - Deepstash

Bryan Donkin improved upon his concept, even launching the first commercial iron tin cannery, but wrought iron cans were heavy and almost impossible to open. Some even came with instructions to open them with hammer and chisel, and soldiers, well, they just shot the cans open with their rifles!

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tomjoad

Introverted Extravert

At Home - Book Summary

The idea is part of this collection:

Music and Productivity

Learn more about food with this collection

How to choose the right music for different tasks

The benefits of listening to music while working

How music affects productivity

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