Burr's rotary lawn mower design helped reduce the irritating clogs of clippings that are the bane of manual mowers.
It was also more maneuverable and could be used for closer clipping around objects such as posts and buildings.
His patent diagram clearly shows a design that is very familiar for manual rotary mowers today.
Powered mowers for home use were still decades away. As lawns become smaller in many newer neighborhoods, many people are returning to manual rotary mowers like Burr's design.
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