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![Methods for close automatic control of incubating temperatures in laboratories . ircuit throupfhthe line coil, which acts to close the line circuit through the heatingcoils. When the temperature in the incubation room Methods for close automatic control of incubating temperatures in laboratories . ircuit throupfhthe line coil, which acts to close the line circuit through the heatingcoils. When the temperature in the incubation room](https://c8.alamy.com/comp/2AN5D7H/methods-for-close-automatic-control-of-incubating-temperatures-in-laboratories-ircuit-throupfhthe-line-coil-which-acts-to-close-the-line-circuit-through-the-heatingcoils-when-the-temperature-in-the-incubation-room-rises-to-theupper-limit-the-thermostat-makes-contact-with-the-stop-point-thusbreaking-the-pilot-circuit-and-opening-the-line-coil-and-hence-thecurrent-in-the-heating-coils-temperature-recorders-each-incubation-room-is-fitted-with-a-continuous-t-day-recordingthermometer-the-recording-elements-are-mounted-on-the-wall-out-side-the-room-and-the-capillary-passes-through-the-wall-2AN5D7H.jpg)