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Show USING AN INCUBATOR ?!; Users of incubators are given ;? zj; the. following suggestions by i the United States department J; of agriculture. J? i', See that the incubator is run- ning steadily at the desired tern- jj perature before filling with eggs. ;? ' Do not add fresh eggs to a tray ',i ! containing eggs which are un- ; dergoing incubation. ;z i,; Turn the eggs twice daily !;t fl after the second and until the nineteenth day. Cool the eggs ; K once daily, according to the '.i j: weather, from the seventh to the nineteenth day. ; r,; Turn the eggs before caring 'A z: for the lamps. ; Attend to the machine care- ; J; fully at regular hours. 'A zjl Keep the lamp and wick !: ;! clean. ;? v Test the eggs on the seventh A zj; and fourteenth days. 'A ! Do not open the machine after ;'j r the eighteenth day until the 'A y, chickens are hatched. 'A ? '- In setting up and operating an ;3 incubator follow the directions 'A 21 of the manufacturer. A |