Popular science monthly . the cleancondition of their stacks as theyare of their clean engine and boiler-rooms and general interiors. The city of Cincinnati has beenwaging a relentless warfare against thefactory smoke nuisance. As theresult of a campaign of educationthe engineer and the fireman andthe boss in his swivel chair arcall working together making asuperb effort to reduce wasteby smoke to a manager of one factorywas so anxious to co-operatev>ith the smoke inspectiondepartment that he installedin his office mirrors whichenable him to see at any timeof the day the volume
Popular science monthly . the cleancondition of their stacks as theyare of their clean engine and boiler-rooms and general interiors. The city of Cincinnati has beenwaging a relentless warfare against thefactory smoke nuisance. As theresult of a campaign of educationthe engineer and the fireman andthe boss in his swivel chair arcall working together making asuperb effort to reduce wasteby smoke to a manager of one factorywas so anxious to co-operatev>ith the smoke inspectiondepartment that he installedin his office mirrors whichenable him to see at any timeof the day the volume anddensity of smoke emittingfrom his stack. He adjustedtwo mirrors in such a posi-tion that they reflect thetop of thesmoke stackso that theyare easilyseen from hisdesk, severalfeet from themirrors di-vulge a smok-ing stack hecompares thesmoke den-sity with asmoke charttacked to thewindowframe besidethe uppermirror. Whenthe smoke iscf|ual to orgreater indensity thanNumber 3on the chartlie presses abutton on.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
