Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3758Chemical news office., 1932 |
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Strona 262
... feet as compared with 25 feet for the Newtonian focus . The Casegrainian com- bination is the one more conveniently used for visual observations and for certain types of spectroscopic work . The focusing of the telescope in this form is ...
... feet as compared with 25 feet for the Newtonian focus . The Casegrainian com- bination is the one more conveniently used for visual observations and for certain types of spectroscopic work . The focusing of the telescope in this form is ...
Strona 265
... feet of salt . A well drilled for oil by The International Petroleum Company , near Nappan , Nova Scotia , also passed through several hundred feet of salt , many of the beds of which were pure white , coarsely crystalline , and ...
... feet of salt . A well drilled for oil by The International Petroleum Company , near Nappan , Nova Scotia , also passed through several hundred feet of salt , many of the beds of which were pure white , coarsely crystalline , and ...
Strona 269
... feet , and includes the Bunter ( with a basal breccia ) , the Nechells Breccia , and part of the Calcareous Conglomerate Group . The content of the breccias and conglom- erates was described , and a graph was given showing the ...
... feet , and includes the Bunter ( with a basal breccia ) , the Nechells Breccia , and part of the Calcareous Conglomerate Group . The content of the breccias and conglom- erates was described , and a graph was given showing the ...
Spis treści
The Story of the Perkins Reflector | 260 |
Decline in U S Phosphates Output | 266 |
Mohlers Test for Benzoic Acid Edward T Illing B Sc F I C | 269 |
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