. Journal of radiology . STEREO VISION vs. ILLUSION. Victor Truvision Stereoscope Note the well balanced design, solidity inconstruction and pleasing appearance of thisapparatus. The entire mechanism, including rheostat,can be raised from sitting ..eight to standingheight, through an ingenious device in thevertical column which raises or lowers themechanism to suit individual convenience. Here Is Economy Only two lamps are used in this outfit, asagainst eight in the ordinary stereoscope. Onthe basis of one hours use per day for 300days each year, these two 150 watt lampsconsume 90 Kilowatt hou
. Journal of radiology . STEREO VISION vs. ILLUSION. Victor Truvision Stereoscope Note the well balanced design, solidity inconstruction and pleasing appearance of thisapparatus. The entire mechanism, including rheostat,can be raised from sitting ..eight to standingheight, through an ingenious device in thevertical column which raises or lowers themechanism to suit individual convenience. Here Is Economy Only two lamps are used in this outfit, asagainst eight in the ordinary stereoscope. Onthe basis of one hours use per day for 300days each year, these two 150 watt lampsconsume 90 Kilowatt hours of current; theaverage cost being 10c per KW. hour makesa total yearly cost of $ The usual 8-lampstereoscope uses 800 watts per hour or 240KW. hours, at an annual cost of $ or anadditional expense of $, not to mentionthe difference in cost for lamp renewals.
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Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1922
