Popular science monthly . ii around its open hoop 13 presses U()war(i against llu-gaskets 12 and downward against theshort arms of several eccentric levers14. This is shown in Fig. z. Numerous recesses 16 in the sides ofthe receptacle allow for themovement of the levers. Two layers of fabric, theupper one air-tight and thelower one porous, arestretched over the top of thereceptacle and secured underthe flange 1)\- means of thehoop and gaskets. Withinthe receptacle is a longitu-dinally-placed conduit 19having numerous one end steam may beadmitted, and at the otherend, air. Whe
Popular science monthly . ii around its open hoop 13 presses U()war(i against llu-gaskets 12 and downward against theshort arms of several eccentric levers14. This is shown in Fig. z. Numerous recesses 16 in the sides ofthe receptacle allow for themovement of the levers. Two layers of fabric, theupper one air-tight and thelower one porous, arestretched over the top of thereceptacle and secured underthe flange 1)\- means of thehoop and gaskets. Withinthe receptacle is a longitu-dinally-placed conduit 19having numerous one end steam may beadmitted, and at the otherend, air. When pressing, air is ad-mitted and its flow con-trolled so that a slightlyrounded surface is main advantage lies inthe fact that shiny seamsare avoided. \\hen steaming garments,the upper air-tight fabricshould be removed. Steamcan then be admitted in-stead of air. The porousunder layer allows the steam to passthrough and the rounded surface affordsvery close contact for the garment,insuring a thorough Shiny seams cannot result because thepressure is evenly distributed Popular Science Monthb/ 31 Ironing Out EarthquakeWrinkles in San Francisco AT the liim- of the earth-(jiiake many pavementsof San Francisco wrinkledunder the strain. Trafficsince has increased tlie iine\ensurface. By the use of themachine shown in the picture,old pavements are made likenew. A traction-engine isfitted with an oil-blast furnaceand a hood by which a sectionof pavement from the curb tothe car track is softened untilit can be leveled by section is then success! \elysniui )t liedand rolled in the regulation way. The most disastrous efifects of theearthciuake occurred in parts of the citywhere the ground consisted of madeland, especially in a large area adjoiningthe Bay, which consisted originally ofmud flats and overflowed lands built upwith layers of sand, waste, and the the shaking of the eartii<iuake,this soft ground tended to flow alongthe slopes, caus
Size: 1433px × 1744px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
