Yarwood, J. High vacuum technique : theory, practice, industrial applications and properties of materials / J. Yarwood. - 3rd ed. - London : Chapman & Hall, c 1955. - vii, 208 p. : ill. ; 23 cm. Include index 339 339 Subjects--Topical Terms: Pneumatic, vacuum, low-temperature technologies Dewey Class. No.: 621.5 / Y25h