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Chalk wasn't "invented"; it exist naturally in large mineral deposits such as those at the cliffs of Dover.
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∙ 8y ago
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Who invented the chalk?
Chalk was not invented. It occurs naturally.
Who first invented chalk and what time?
Chalk was not invented. It occurs naturally.
Who invented sidewalk chalk?
Sharon McKay invented sidewalk chalk, after she wrote books that included it.
How was chalk invented and how is it manufactured?
William Hilt the Great invented chalkboard chalk. This was back in the neanderthal days.
Where was chalk invented?
in the himalayers
When was the chalk board invented?
It was invented in 1801 by James Pillans in Edinburgh, Scotland.
Who invented white chalk?
WHITE Chalk isn't something that was invented. Chalk is a soft porous rock which is a form of limestone made up of the mineral calcite. Blackboards and blackboard chalks have been around since the late 1700's.
When was chalk invented?
Chalk was not invented by anyone; it is a naturally occurring mineral; and has been used by people since the stone age. Nobody knows who first discovered and used it.
Why was the whiteboard invented?
== == Teachers who were allergic to calcium sulphate or chalk.
Who invented the chalk line hand tool?
An Unknown person
When was modern day caulk invented?
chalk was invented by a man named hymen bean in 1896
What did people use to rub out mistakes before rubbers were invented?
they used either the rain or chalk erasers because they only had chalk.
