Suffix [edit]. -en. 1  Suffix for definite form singular of many common gender nouns, in particular those which end in a consonant or a stressed-i; see also-n. 2  Suffix for definite form plural of neuter nouns ending with consonant.
Events Leading up to Heliograph When NiÃ©pce first began working with his son who would draw the images they used in lithography because NiÃ©pce could not draw well. During that time the camera obscura was only used as a guide for drawing. This collaboration stopped when his son was drafted into the army and went to fight in the Battle of Waterloo.
The âBiograph Girl,â as she was known, based on her work with the film company, wasnât the very first person to come up with a turn signal. In 1909, a British man named Percy Douglas-Hamilton patented a set of hands, one attached to each side of the car, which could be illuminated to indicate a coming turn. âPeople look at and cite that patentâ as the first, said John Heitmann, a professor at the University of Dayton who specializes in automobile history.