NatureSir Norman Lockyer |
From inside the book
Results 1-3 of 77
Page 47
... plates represent a technical advance of great importance ; they allow us to obtain a much deeper insight into nuclear processes than was pos- sible with the older emulsions , and they greatly extend the field of application of the ...
... plates represent a technical advance of great importance ; they allow us to obtain a much deeper insight into nuclear processes than was pos- sible with the older emulsions , and they greatly extend the field of application of the ...
Page 440
... plates for fifty days at a height of 3,650 m . These plates consist of four layers of Ilford C.2 Nuclear Research emulsion , 30μ thick , separated by three thin layers of plain gelatin . This sandwich emulsion , coated on an acetate ...
... plates for fifty days at a height of 3,650 m . These plates consist of four layers of Ilford C.2 Nuclear Research emulsion , 30μ thick , separated by three thin layers of plain gelatin . This sandwich emulsion , coated on an acetate ...
Page 443
... plates of selenite of 2.5 mm . thickness , giving a compensating range of about four wave- lengths ; but mica would probably be preferable be- cause it would permit of thinner plates . In the case of the most common form of mica ...
... plates of selenite of 2.5 mm . thickness , giving a compensating range of about four wave- lengths ; but mica would probably be preferable be- cause it would permit of thinner plates . In the case of the most common form of mica ...
Other editions - View all
Common terms and phrases
acid activity Africa Agriculture animals appointed Association atoms biological Britain British Burlington House C. D. Darlington Cacao carbon cells cent Chem chemical Chemistry Colonial colour Committee compounds crystal curve Department discussion disease effect Electrical electron energy engineering experimental experiments factor fibrinogen field folic acid Gold Coast growth helium Hyaluronidase hydrogen important increase Industrial Institute interest investigations ionization ionosphere isotopes Laboratory larvæ Lecture magnetic Manchester material measured mechanism Medical ment mesons metabolism method microscope Ministry Ministry of Supply molecule National Nature nitrogen observed obtained Office organisation paper Paper Chromatography particles Phys Physics plant plates possible present problems production protein radiation Radioactive reaction recent Research review by Dr Royal scientific Secretary Society solution species structure substances temperature theory tion triterpene University College University Grants Committee University of London variation X-ray