J. J. Becher - Article Index

Encyclopedia - J. J. Becher: Encyclopedia Ii - J. J. Becher - Wandering Scholar
In 1657, he was appointed professor of medicine at the University of Mainz and body-physician to the archbishop-elector. In 1666, he was ...   » Read the article

Encyclopedia - Phlogiston Theory: Encyclopedia - Phlogiston Theory
The phlogiston theory is an obsolete scientific theory of combustion. It was developed by J. J. Becher late in the 17th century and was e...   » Read the article

Encyclopedia - Caloric Theory: Encyclopedia - Caloric Theory
The caloric theory of heat is an obsolete scientific theory in thermodynamics, developed mostly during the 18th and 19th centuries. Calor...   » Read the article

Encyclopedia - Phlogiston Theory: Encyclopedia Ii - Phlogiston Theory - Theory
The theory holds that all flammable materials contain phlogiston (derived noun form of the Greek phlogistos, meaning flammable), a substa...   » Read the article

Encyclopedia - Phlogiston Theory: Encyclopedia Ii - Phlogiston Theory - Challenge And Demise
Eventually, quantitative experiments revealed problems, including the fact that some metals, such as magnesium gained weight when they bu...   » Read the article

Encyclopedia - Caloric Theory: Encyclopedia Ii - Caloric Theory - History
In the history of thermodynamics, the initial explanations of heat were thoroughly confused with explanations of combustion. After J. J. ...   » Read the article

Encyclopedia - Caloric Theory: Encyclopedia Ii - Caloric Theory - Theory
The theory held that changes in temperature are due to the transfer of an imponderable fluid, invisible and weightless, called caloric. T...   » Read the article

Encyclopedia - Caloric Theory: Encyclopedia Ii - Caloric Theory - Demise
In 1798, Count Rumford published An Experimental Enquiry Concerning the Source of the Heat which is Excited by Friction, a report on his ...   » Read the article

Encyclopedia - Caloric Theory: Encyclopedia Ii - Caloric Theory - Successes
Quite a number of successful explanations can be, and were, made from these hypotheses alone. We can understand why a cup of tea cools at...   » Read the article