ScienceJohn Michels (Journalist) 1959 |
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Стр. 114
... operation - Less than 30 seconds required for start - up ; subsequent operation fully automatic , operator's presence not needed . Economical , maintenance - free operation - The Model L is a heavy - duty , precision instrument which ...
... operation - Less than 30 seconds required for start - up ; subsequent operation fully automatic , operator's presence not needed . Economical , maintenance - free operation - The Model L is a heavy - duty , precision instrument which ...
Стр. 1042
... operation - Less than 30 seconds required for start - up ; subsequent operation fully automatic , operator's presence not needed . Economical , maintenance - free operation - The Model L is a heavy - duty , precision instrument which ...
... operation - Less than 30 seconds required for start - up ; subsequent operation fully automatic , operator's presence not needed . Economical , maintenance - free operation - The Model L is a heavy - duty , precision instrument which ...
Стр. 1379
... operation ; 600X - 15,000X available by replacing the projection lens pole piece . Electron Optical System : Three - stage electromagnetic . Lens axis factory fixed ; objective lens and all apertures easily withdrawn for cleaning ...
... operation ; 600X - 15,000X available by replacing the projection lens pole piece . Electron Optical System : Three - stage electromagnetic . Lens axis factory fixed ; objective lens and all apertures easily withdrawn for cleaning ...
Содержание
POLARIMETER | 162 |
Speed versatility and convenience in measuring | 219 |
Volume 10 1959 | 291 |
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