
The Eggis was another of those cypher machines that drew some attention but, ultimately, failed to make an impression. It was also called the Velograph. Robert Messenger blogs about the device here.
The German patents are offered here and here.

Image from the second patent application.
The Statist (London), January 30, 1892 –

The Phonetic Journal (London), August 13, 1892 –

In 1893, the Eggis sold for nine pounds.
17 Jan 1893, Tue Belfast News-Letter (Belfast, Antrim, Northern Ireland) Newspapers.com
By 1899, the Eggis was offered for 40 shillings.
13 Apr 1899, Thu Manchester Evening News (Manchester, Greater Manchester, England) Newspapers.com
© 2022, Mark Adams. All rights reserved.