Philosophical MagazineTaylor & Francis, 1804 - Physics |
From inside the book
Results 1-3 of 82
Page 186
... glass , distant ob- jects might be viewed , as with a telescope composed of se- veral glasses . I believe , however , that Tschirnhausen , when he published the properties of his large object - glass , had no knowledge of what father ...
... glass , distant ob- jects might be viewed , as with a telescope composed of se- veral glasses . I believe , however , that Tschirnhausen , when he published the properties of his large object - glass , had no knowledge of what father ...
Page 349
a glass globe of the size you want ; and , while it is red hot , pour into it the melted mixture , along with a bit of colo- phony , or black rosin . Turn it gently , in all directions , till Take it imme- its whole interior surface be ...
a glass globe of the size you want ; and , while it is red hot , pour into it the melted mixture , along with a bit of colo- phony , or black rosin . Turn it gently , in all directions , till Take it imme- its whole interior surface be ...
Page 264
... glass ; it is crystal , which possesses all the physical properties of mineral substances left to themselves . An exact analysis , made with a certain number of crys tals ... glass , and which tend 264 On the Devitrification of Glass .
... glass ; it is crystal , which possesses all the physical properties of mineral substances left to themselves . An exact analysis , made with a certain number of crys tals ... glass , and which tend 264 On the Devitrification of Glass .
Contents
OF | 3 |
History of Astronomy for the Year 1803 Read at | 10 |
Gerions Errors | 14 |
54 other sections not shown
Other editions - View all
Common terms and phrases
Abbé acid acres affinity antient appear astronomers Bacon basaltes carbon carbonic acid cent charcoal colour concave contained copal copper Cornwall Cornwall clay cow-pock crucible crystals cylinder DAVID MUSHET diameter discover distance ditto duced earth effect equal experiments exposed fused fusion glass gold medal grains Great-Britain greatest number greatest quantity guineas heat hitherto inches inoculated integrant particles invent iron Klaproth last Tuesday less letter lime manner mass matter metal method mineralogy mirrors mixture Mont Perdu muriatic muriatic acid nature nitric acid object observed obtained oxide oxygen person Philosophical pipe plane plants platina potash pounds pounds weight premium produced rays Roger Bacon says screw second Tuesday sheep silex silver medal small-pox Society the best specimen steam substance surface telescope temperature thirty guineas tion tube Tuesday in February Tuesday in January vaccine vessel weight whole wool