Identifier: n12archivesofphys03ameruoft (find matches)
Title: Archives of physical medicine and rehabilitation
Year: 1920 (1920s)
Authors: American Academy of Physical Medicine and Rehabilitation American College of Radiology and Physiotherapy American Congress of Physical Medicine and Rehabilitation Radiological Society of North America
Subjects: Physical therapy
Publisher: (Chicago, etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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io-graph. If desired the Multiplex attach-ment can be furnished, consisting of asecond set of mirrors, so that two ob-servers can view the same radiographssimultaneously. The second set of mir- NEW EQUIPMENT rors having adjustment features iden-tical with the first, each observer thusindependently accommodates his vision.Another very interesting comparisonof the Truvision stereoscope with themultiple lamp type is from the stand-point of economy. Considering thatonly two light bulbs are used on theformer as against the usual eight in thelatter, and figuring on the basis of aver-age use of one hour per day for 300 days each year, the two 1 50 watt bulbswill consume 90 kilowatt hours of cur-rent; at the rate of 10 cents per kw.hour makes an annual cost of $9.00.With the usual 8-bulb stereoscope con-suming 800 watts per hour or 240 kw.hours, the cost annually will reach$24.00. This means a saving of$1 5.00 on current alone; the differencein cost for lamp renewals will increasethis figure.
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544 NEW EQUIPMENT Kromayer Bedside Unit pOLLOWERS of the principle ofwater-cooled quartz lamps, willfind many advantages in the new Kro-mayer Lamp Bedside Unit, manufac-tured by the Hanovia Chemical Com-pany. This unit is called semi-automaticby its manufacturers. In response to awide-spread demand for a Kromayerlamp sufficiently portable for use inhospital wards and also to avoid thenecessity of special water connectionswhere the lamp is used in several roomsin private practice, the Hanovia Com-pany has perfected a semi-automaticoutfit known as the bedside unit, illus-trated herein. The quiirtz burner is mounted on anadjustable arm. which possesses suffi-cient rigidity to hold the lamp firmwhen in use and still give almost uni-versal adjustment motion. The outfit is equipped with all neces-sary electrical regulation, built into ahandsome white enameled table, largewater tank for cooling the burner andcirculating pump, which is operated bythe lamp switch. By this arrangement,it is pos

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