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03 Aug 2016
chalk markers
Black board dates back towards the first organized school classroom. Probably, several Centuries ago. Before that, they used a charcoal stick and wrote on any flat work surface available. The situation being, charcoal doesn't erase, so a new writing surface was required very often. Before they needed chalkboards, somebody was required to invent chalk for that chalkboards.

liquid chalk
It had been discovered crushed up limestone produced a white powder that is compressed in a soft white stick that might produce a white line as opposed to the black line that the charcoal stick left. The best part was it erased off of an even stone surface. Then some bright fellow cut thin slabs of slate rock, polished it as well as the chalkboard came to be.

Chalk writing on slate chalkboards was the mainstay in the classroom for quite some time, and even the business enterprise realized they could advertise on chalkboards, regularly changing their advertising message. Eventually, the previous slate chalkboards went the way of the dinosaur, making room for brand new inventions, such as whiteboards using colorful dry erase markers.

Now, if you can obtain an slate chalkboards discarded by way of a school, you have a very valuable antique. The chalk boards make an actual comeback in recent times as a result of their nostalgic look that radiates a hot and comfy feeling.

Food markets, coffee houses and restaurant, especially, apparently much like the chalk boards, cracker barrel type motif. Obviously, the chalk isn't compressed limestone and chalk boards are not slate.

Almost all of today's chalk boards may be a melamine laminate or textured acrylic since they're light weight and sturdy. The chalk is a liquid chalk in the marker pen, so the chalk and the boards have survived, but like anything else, they have been modernized for efficiency.


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