About Google Translate says:
The Slab was the beginning of the 19th Century England in response to the increased demand for eye-catching promotional literature. The first slab serif was published in 1815 by Vincent Figgins. Was mentioned for the first time, the slab serif font in individual printing types in 1820, in an auction directory of the font foundry Thorne. They were called “Slab”, even though they had nothing to do with the Egyptian writing. The name recalls the name of the captured by the British ship, the 1802 Rosetta Stone brought to London, at a time when people were very much interested in Egyptian art. The slab serif, slab serif also remained in the 20th Jahrhunbdert popular, and so Dwen was developed in 1930 as the Memphis geometric slab serif font. Not to come now to a commercial font in Konflickt, I have decided to name altegyptischen VThe city, Mem-nefer …