Here is another example of a Convenience in Primitive-School style.
Source: Farm Conveniences, by Byron David Halsted, 1884.
Inconvenience: Poisoning Dreamers 12
Image source: A Practical Handbook of Medical Chemistry Applied to Clinical Research and the Detection of Poisons by William Houston, 1880.
Thousands of Night Thoughts and Dreams
Image source: Das Sonnen-System, by Adam Christian Gaspari, Franz Ludwig Gussefeld, F.L. Guessefeld, C. Westermayr, 1801.
Inconvenience: Poisoning Dreams 60
Image source: A Practical Handbook of Medical Chemistry Applied to Clinical Research and the Detection of Poisons by William Houston, 1880.