The Humble Broom: A History...

Something I never stumbled across before: the Shakers were responsible for the flat broom design that's ubiquitous today.  I'd seen drawings of old fashioned brooms that were round in cross-section, but I'd never imagined that the Shakers were responsible for that design improvement – not so very long ago.  On that count and several others, the history of the humble broom is more interesting than I'd expected...