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.
A Carty Inventors_Metalwork Inventors â Metalwork Carl Benz - was the German mechanical engineer who designed and in 1885 built the world's first practical automobile to be powered by an internal-combustion engine Thomas Edison â invented and developed the tin foil phonograph. When working to improve the efficiency of a telegraph transmitter, causing him to wonder if he could record a telephone message. His experiments led him to try a