Day Nine: Rollerskates

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Over the summer I created over 35 achievement badges for the Withings Health Mate fitness app.

Day nine is rollerskates!

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“The first patented roller skate was introduced in 1760 by Belgian inventor John Joseph Merlin. His roller skate wasn't much more than an ice skate with wheels where the blade goes, (a style we would call inlines today). They were hard to steer and hard to stop and as such were not very popular.

In 1863, James Plimpton from Massachusetts invented the "rocking" skate and used a four wheel configuration for stability, and independent axles. This was a vast improvement on the Merlin design that was easier to use and drove the huge popularity roller skating through the 1930s. The Plimpton skate is still used today.”

(From Wikipedia)