Salt Lake Tribune | 1911-03-16 | Page 5 | Urges Fruitmen to Get Phones and Thermometers

URGES FRUITMEN TO GET PHONES AND THERMOMETERS Weather Bureau Makes Arrangement to Warn Provo Orchardlsts of Impending Im-pending Frosts. With the approach of the blossoming period of orchards of the. Provo district A. H. Thlessen. director of the local office of the United States weather bureau, bu-reau, Is malting final arrangements for co-operation with the fruitgrowers of that district in the prevention of frost destruction. Tho following circular of Instructions has been issued by the bureau and will bo sent to all growers, with instructions for them to make arrangements to cooperate co-operate with the bureau: "All growers who desire to obtain the greatest benefit of this co-operation arc urged to Install- a telephone and thermometers. ther-mometers. "On nights of impending frosts the growers will telephone their temperatures every half hour to the. Commercial club, Provo, beginning at 0:30 p. m., and continue con-tinue until advised to cease. Warnings of frost will be Issued from the Commercial Com-mercial club either In the morning on evening of the day preceding a frost. "Very reliable thermometers should be installed In every orchard one to an acre would not bo too mnny. This is for the purpose of knowing Just where the coldest places are. The thermometers thermome-ters at the coldest place should be read regularly every half hour on nigh Is when frost is expected and reported as requested. re-quested. "By a reliable thermometer Is meant one that la guaranteed by iho maker not to be In error more than one-half degree. de-gree. A cheap thermometer is generally general-ly incorrect, different amounts at different dif-ferent portions of the scale. At 10 degrees de-grees It may be 2 degrees too low. and at 20 degrees it may be 2 degrees too high But this quality is not the worst that can be said of a cheap thermom eter. Glass undergoes a. gradual change with time. The class used In the best thermometers Is aged, while with cheap thermometers tills trouble Is not taken, and consequent elevation or depression of the scale Is necessary. "Thermometers should be hung from a branch of a Iroc -JJ feet from the ground. If the thermometer Is left out during tho sunshine It, .should be screened so that the sun's rays will not fall directly di-rectly on lt but so tnat the air will have free access to it."