Popular science monthly . Deflecting and Moistening the Airfrom Furnace Registers UNTIL wc substituted the modern hotair furnace for the stove we did notknow what a completely warmed housewas during the winter months. But evilaccompanies good. The heatedair from the furnace is too dryfor good health and perfect com-fort, and as an additional worri-ment, the walls at the sides andabove the registers soon becomediscolored by the blackened dustwhich riscsand disperses throughthe rooms of the house wheneverthe ashes are shaken down or thefurnace obviate these troubles a register-shieldh
Popular science monthly . Deflecting and Moistening the Airfrom Furnace Registers UNTIL wc substituted the modern hotair furnace for the stove we did notknow what a completely warmed housewas during the winter months. But evilaccompanies good. The heatedair from the furnace is too dryfor good health and perfect com-fort, and as an additional worri-ment, the walls at the sides andabove the registers soon becomediscolored by the blackened dustwhich riscsand disperses throughthe rooms of the house wheneverthe ashes are shaken down or thefurnace obviate these troubles a register-shieldhas been placed on the market, which maybe inserted over either floor or wall metal shields deflect the rising streamof hot air and direct it out into the roominstead of allowing it to go directly towardthe ceiling, as it otherwise would. Theshields are also provided with water-panswhich are kept warm by the air from thefurnace. The water evaporates and moist-ens the air as it passes through the shield. A^. Removing Old Starch from Clothes by aMalt Extract Bath S starch is insoluble in water it hasalways been a hard problem of thelaundrjman to remo\e it from soiled col-ars, lace curtains or other arti-cles which are either heavilystarched or made from delicatematerial. Strong, hot alkaline baths andlong rubbing or pounding havebeen the principal resort, al-though they shorten the life ofthe fabrics, destroying woolfibers, shrinking cotton andspoiling colors. Modern laundries are begin-ning to introduce the malt ex-tract bath as a substitute for thealkalies in laundries. Malt is achemical compound ha\ing theproperty of converting starchesor starchy foods into solubledextrine or glucose. It requiresonly four ounces of malt extractto remove the old starch fromone hundred collars or an equiv-alent amount of goods, and it isnot aftected by hard water. The lampcarriage ismoved upand down inthe tube bymeans of arack andpinion oper-ating upon abrass rod The apertureoppos
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
