The instrument can be set to different combinations of manual or automatic control and may be adopted to record as many as 60 variables. ... The unit is adaptable to outdoor service and can be moved easily because of its compact design. ... The heaters feature circular casings and coils, increased heat transfer capacity as related to motor hp, stepped-up air ... by recessing, or by closegauging, Federal Electric Products Co. has developed a 200 amp front- operated safety switch.
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