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Send for details on how you, too, can w i n at cryogenics with the C R Y O D Y N E B Cryocoolers. The Model 20 can operate in the 2 0 ° t o 300°K range; the Model 70 in the 50° t o 3 0 0 ° K range. Both are c o m p a c t , inexpensive, easy-to-use systems that can give thousands of hours of worry-free service. ^1
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CTi CRYOGENIC TECHNOLOGY, Inc. Kelvin Park, Waltham, Mass. 02154, Tel (617) 899-8300 Circle No. 33 on Readers' Service Card
