History of the blackboard

Every second week I think I might do a post on the history of something, starting today.

Here is another history of something post and this weeks something is the old school blackboard which is now pretty much obsolete. In some places they may have been called a chalkboard, here in Aus it has always been called a blackboard.

As a child I had a blackboard that my dad would freshen up with blackboard paint, when needed.

In 1801, the rather obvious solution to the problem made its debut. James Pillans, headmaster and geography teacher at the Old High School in Edinburgh, Scotland, is credited with inventing the first modern blackboard when he hung a large piece of slate on the classroom wall.

Manufacturing of slate blackboards began by the 1840s. Green porcelain enamel surface, was first used in 1930, and as this type of boards became popular, the word “chalkboard” appeared. In the US green porcelain enamelled boards started to appear at schools in 1950s.

So what’s up with the name? Originally, blackboards really were black. Before wall-sized chalkboards existed, late 18th-century students used their own mini boards made of slate or painted wood, according to Concordia University. Those first boards were, in fact, black, and they paved the way for the larger ones

In any case, early blackboards were primitive, made from materials such as pine covered with a mixture of egg white and carbon from charred potatoes. Or a paste of lime, plaster of Paris and lampblack might simply be spread on a classroom wall.

By the 1970s, whiteboards were slowly being adopted in schools. The amount of dust created when using and cleaning chalkboards was a major catalyst for many switches from blackboards to whiteboards.