1740s introductions

The degree Celsius is the unit of temperature on the Celsius temperature scale (originally known as the centigrade scale in English), one of two temperature scales used in the International System of Units (SI), the other being the closely related Kelvin scale. The degree Celsius (symbol: °C) can refer to a specific point on the Celsius temperature scale or to a difference or range between two temperatures. It is named after the Swedish astronomer Anders Celsius (1701–1744), who proposed the first version of it in 1742. The unit was called centigrade in several languages (from the Latin centum

antique electrical device which stores a high-voltage electric charge

first Polish-language encyclopedia

encyclopedic collection of Buffon

musical instrument

thumb|upright|Large table-top viewer for vue d'optique prints. Late 18th century thumb|right|An example of a picture designed for viewing under a zograscope equipped with a mirror, its text mirror writing|written right-to-left.

type of fireplace

apple cultivar

type of two-decked sailing ship of the line which nominally carried 74 guns