EASTERN INDUSTRIES

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NEW PRODUCTS Pipet-Buret Instrument A pipet-buret instrument for accur- ate dispensing and titration, the Digi- Pet, requires no calculating in use. A micrometer drive is coupled to a digital counter which gives quick, exceptionally accurate direct reading of the volume dispensed. Manostat Corp., a subsidi- ary of Greiner Scientific Corp., 26 North Moore St., New York 13, Ν. Υ. 426 The Rota-Jet, an automatic 3-cycle washer-rinser for laboratory glass- ware, scrubs, cleans, and rinses with five pin-point perforated arms rotating at a high R.P.M. and jet-forced power. It is equipped with a "steam elimi- nator" operating principle that elimi- nates the need to invest in a steam hood. The cabinet is completely leak- proof and maintenance-free, being heliarc welded with "o"-ring seals on the windows. The cabinet is all stain- less steel with "Vista-View" window for a clear view of the washing cham- ber at all times without disturbing the door. Cabinet size is 77" high, 32" wide, and 3 7 " deep. Forma Scien- tific, Inc., Box 649, Marietta, Ohio. 427 Vacuum Pumps The Model 1405H is a two-stage, oil- sealed, mechanical vacuum pump capa- ble of producing a vacuum of 0.05 mi- cron. This is said to be the highest vacuum obtainable with this type pump. This model has a capacity of 33.4 liters per minute, while the Model 1405B with a higher capacity, 58 liters per minute, is capable of producing a vacuum of 0.1 micron. The Welch Sci- entific Co., 1515 Sedgwick St., Chicago 10, III. 428 YOUR FORMULA FOR MIDGET PUMPS AND STIRRERS . . . is very likely to come from Eastern. High effi- ciency in centrifugal and positive displacement pumps at mass production prices—versatility in vari- able speed stirrers—these are the elements which add up to the right combination of laboratory equipment. Compact design and re- markable performance make them adaptable where space and portability are factors. Semi-enclosed, totally-enclosed, or explosion-proof motors powered from 1/30 to 1/3 h.p. offer a range of performance characteristics up to 20 G.P.M. at 15 P.S.I. Choice of metals, currents and voltages. Eastern Laboratory Stirrers are available for mixing small quantities of light liquids to ten gallons of viscous materials. Models available with non-sparking motors. Sizes are from 1/1000 to 1/15 HP. Mountings may be either screw clamp or ringstand. Send for Free Folder EASTERN INDUSTRIES A DIVISION OF LABORATORY FOR ELECTRONICS, INC lOO SKIFF STREET • HA M DEN 14. CONNECTICUT Circle No. 25 on Readers' Service Card VOL. 35, NO. 11, OCTOBER 1903 · 151 A

Transcript of EASTERN INDUSTRIES

NEW PRODUCTS

Pipet-Buret Instrument A pipet-buret instrument for accur­

ate dispensing and titration, the Digi-Pet, requires no calculating in use. A micrometer drive is coupled to a digital counter which gives quick, exceptionally accurate direct reading of the volume dispensed. Manostat Corp., a subsidi­ary of Greiner Scientific Corp., 26 North Moore St., New York 13, Ν. Υ.

426

The Rota-Jet, an automatic 3-cycle washer-rinser for laboratory glass­ware, scrubs, cleans, and rinses with five pin-point perforated arms rotating at a high R.P.M. and jet-forced power. It is equipped with a "steam elimi­nator" operating principle that elimi­nates the need to invest in a steam hood. The cabinet is completely leak-proof and maintenance-free, being heliarc welded with "o"-ring seals on the windows. The cabinet is all stain­less steel with "Vista-View" window for a clear view of the washing cham­ber at all times without disturbing the door. Cabinet size is 77" high, 32 " wide, and 37" deep. Forma Scien­tific, Inc., Box 649, Marietta, Ohio.

427

Vacuum Pumps

The Model 1405H is a two-stage, oil-sealed, mechanical vacuum pump capa­ble of producing a vacuum of 0.05 mi­cron. This is said to be the highest vacuum obtainable with this type pump. This model has a capacity of 33.4 liters per minute, while the Model 1405B with a higher capacity, 58 liters per minute, is capable of producing a vacuum of 0.1 micron. The Welch Sci­entific Co., 1515 Sedgwick St., Chicago 10, III. 428

YOUR FORMULA FOR

MIDGET PUMPS AND STIRRERS

. . . is very likely to come from Eastern. High eff i­ciency in centrifugal and pos i t i ve d i sp lacemen t pumps at mass production prices—versatility in vari­able speed stirrers—these are the elements which add up to the right combination of laboratory equipment.

Compact design and re­markab le pe r fo rmance make them adap tab le where space and portability are factors.

Semi-enclosed, totally-enclosed, or explosion-proof motors powered from 1/30 to 1/3 h.p. offer a range of performance characteristics up to 20 G.P.M. at 15 P.S.I. Choice of metals, currents and voltages.

Eastern Laboratory Stirrers are available for mixing small quantities of light liquids to ten gallons of viscous materials. Models available with non-sparking motors. Sizes are from 1/1000 to 1/15 HP. Mountings may be either screw clamp or ringstand.

Send for Free Folder

EASTERN INDUSTRIES A D I V I S I O N O F L A B O R A T O R Y F O R E L E C T R O N I C S , I N C

lOO SKIFF STREET • HA M DEN 14. CONNE CTICUT

Circle No. 25 on Readers' Service Card

VOL. 35 , N O . 1 1 , OCTOBER 1903 · 1 5 1 A