Category
page 11740s introductions
degree Celsius
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
Leyden jar
antique electrical device which stores a high-voltage electric charge
Nowe Ateny
first Polish-language encyclopedia

Histoire naturelle
encyclopedic collection of Buffon
nail violin
musical instrument
zograscope
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.
Franklin stove
type of fireplace
Blenheim Orange
apple cultivar
seventy-four
type of two-decked sailing ship of the line which nominally carried 74 guns