Journal of bacteriology . cabinet depends only on the setting of the thermo-regulator. For a temperature from 70 deg. to 120 deg. C. a second unit should be introducedby means of the switch. Regulator precision, j\° C. Si7,e, 7 in. wide bv 6k in. deep by 10 in. high. Complete with four 50-watt heating units Net $ 4867F. Drying Oven and Incubator. ?ameas No. 4867E, but 12 in. wide by 11 in. deep by 14 in. high. Complete with four 115-watt heating units Net 4867G. Drying Oven and Incubator. Same as No. 4867E, but 16 in. wide by 14 in. deep by 19 in. high. Com-plete with four 140-watt
Journal of bacteriology . cabinet depends only on the setting of the thermo-regulator. For a temperature from 70 deg. to 120 deg. C. a second unit should be introducedby means of the switch. Regulator precision, j\° C. Si7,e, 7 in. wide bv 6k in. deep by 10 in. high. Complete with four 50-watt heating units Net $ 4867F. Drying Oven and Incubator. ?ameas No. 4867E, but 12 in. wide by 11 in. deep by 14 in. high. Complete with four 115-watt heating units Net 4867G. Drying Oven and Incubator. Same as No. 4867E, but 16 in. wide by 14 in. deep by 19 in. high. Com-plete with four 140-watt heating units Net Note: Add to above prices for 1/50 defe. C. precision, $; for 1/100 deg. C, $; for 1/200 deg. C, $, and for 1/1000 deg. C, $ Send for Pamphlet 61 describing the De Khotinsky Electrically Heated and RegulatedConstant Temperature Devices. CENTRAL SCIENTIFIC COMPANY 460 East Ohio Street(Lake Shore Drive, Ohio and Ontario Streets) CHICAGO U. S. A. Thelco LOWTEMPElectric Incubator. Although primarilydesigned for use at20° C. the **LOWTEMPIncubator can be usedjust as satisfactorilyat any temperaturefrom about 10° to45° G. ^ The Thelco all metal ther-mostat is quickly and easily setfor any temperature within therange of the incubator and willmaintain indefinitely constanttemperature to one degreeCentigrade. ^ Adjustable cold air circulationaround the inside jacket of incu-bator and splendid constructionreduces the ice consumption toa minimum and secures highestpossible uniformity. ^ Exterior of incubator and theworking chamber are of glazedporcelain fused on steel at 2000F. The most perfect sanitaryconstruction. Made in Two Sizes Dimensions of Working Chamber 18 by 15 by 12 inches, $ Net30 by 23 by 14 inches, $ Net Descriptive pamphlet onrequest EIMER & AMEND FOUNDED 1851 Laboratory SuppliesNEW YORK and PITTSBURGH, PA. THE WAVERLY PRESS BALTIMORE. U. 8. A. VOLUME I NUMBER 5 JOURNAL OF BACTERIOLOGY OFFICIAL ORGAN OF THE SOCIE
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