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tpe only gasholder-wiia Εΐ^ι-.Μ.ιίΓΓπτι D R Y , F R I C T I O N LESS SEAL
',V::.theonly: Operates at pressures up to 2 0 " of w a t e r . Gas: tightness a n d imp er me α bi lity 5of t tie Wiggins dry sëqf proved in
gà£hoïqer that assures'
15 years' service under actual operating conditions.
WEATHER WORRIES OPERATING COSTS M A I N T E N ANCE PROBLE M S
Asie a b o u t c o n v e r t i n g
your present gasholders to ^h^Wiggin^iplrinciple;
VAPOR
SEALS
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m.'HrM^I.'.HÎlH'.l.'l Transportation Corporation •J35-SQUTH LA S ALLE. STREET. · ' CHICAGO *90,;iLLlNOIS\ '^District Offices:"Buffalo· Cleveland ·\0αϊ!ο5 "·*· Houston •IOJS Ange les" ' · ' NJevv Orleans"·;KlcwYprk·'Pittsburgh ·".St.louis^·. San-Fronchco · Seattle,;. .-'Tulsa · Washington · ExpOrlrDèrJÏ.; 10 E.asr^Vlh.Strfeet/NevvYotk -17, Ν . Ύ . - ' 1
