[12] See [Chapter XVIII].
What is Geometry?
An ancient, perfect, and beautiful science, which treats of the relations and properties of lines, surfaces, and solids.
What is meant by Mechanics?
The science which investigates the laws of forces and powers, and their action on bodies, either directly or by machinery. When the term mechanic is applied to a person, it means one skilled in mechanics, accustomed to manual labor.
Investigate, to search, to inquire into.
Manual, performed by the hand.
What is a Microscope?
An optical instrument, by means of which very minute objects are represented exceedingly large, and viewed very distinctly according to the laws of refraction or reflection. Nothing certain is known respecting the inventor of microscopes, or the exact time of their invention, but that they were first used in Germany, about 1621.
Minute, small, diminutive.