. American engineer and railroad journal . FRIGES KEFKIGERATING MACHINE. Vol. LXVII, No. 8.] AND RAILROAD JOURNAL. 38s upon a foundation weighing at least 3 tons. The wheel isgiven a quarter turn and the same test repeated. The wheelis rejected if it shows any sign of deformation or wheel is then subjected to successive blows from a ham-mer weighing lbs. swung by hand and striking 20 blowson the rim in a space of in.—PortefeuiUc ^cmiomifjue dis Mfwhincs. ♦ FRICKS REFRIGERATING Wk gire a full-page itersjieetive view and two engravingsof Ihe details of a refrigeratin
. American engineer and railroad journal . FRIGES KEFKIGERATING MACHINE. Vol. LXVII, No. 8.] AND RAILROAD JOURNAL. 38s upon a foundation weighing at least 3 tons. The wheel isgiven a quarter turn and the same test repeated. The wheelis rejected if it shows any sign of deformation or wheel is then subjected to successive blows from a ham-mer weighing lbs. swung by hand and striking 20 blowson the rim in a space of in.—PortefeuiUc ^cmiomifjue dis Mfwhincs. ♦ FRICKS REFRIGERATING Wk gire a full-page itersjieetive view and two engravingsof Ihe details of a refrigerating machine made by the FrickCompany, of Waynesboro, Pa. Tlie general ap])earance ofthe machine is very clearly shown by the perspective engrav-ing. The machine consists of two single-acting vertical am-monia compression pumps 7| in. bore and having a stroke of14 in. They are driven by a horizontal engine having a Cor-liss valve gear and a eylinller 11 in. in diameter with a pLslonstroke of 14 in. The special features of the machine are itscompactness, the accessibility of its parts, the use of cushionsand the noiseless safety discharge gear. Attention is calledto the fact that this machine may !»• used on shipboard orwhere the ceiling is very low. provision having been madefor removing the ammoniafrom the lower head, or,in other words, from lie-low instead of frojn thetop of the ammonia cylin-der as usual. The capacityis twelve tons of ice-melt-ing per day. Referring to the details,the engraving
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
