๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Control unit for refrigirator cooled cryopumps

โœ Scribed by Leybold-Heraeus Ltd.


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
119 KB
Volume
34
Category
Article
ISSN
0042-207X

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The Franklin Institute is building, in its Locomotive Room, a model railroad layout that wil1 be as realistic in scenic beauty and performance as one could ever desire. As a locomotive winds its way about the several loops, it maintains a constant speed regardless of the number of cars it pulls or t