Popular science monthly . e writes:Conservatively, we cut down the costover one-third by dipping the sheep, to saynothing of the saving in time. The friendh and unsuspecting sheep,which goes through his macliine, willprobably cherish a deep and distrust-ing feeling towards man foreverafter. The animal climbs a shortrunway and emerges upon a swiftlymoving floor, which precipitateshim upon a trap-door that opensassoon as it is steppedupon. The sheepdrops suddeiiK- into apit filled with \erntin-dcstroying licjuid. By the time thesheep has collected itsbefuddled wits sulili-ciently to crawl out of
Popular science monthly . e writes:Conservatively, we cut down the costover one-third by dipping the sheep, to saynothing of the saving in time. The friendh and unsuspecting sheep,which goes through his macliine, willprobably cherish a deep and distrust-ing feeling towards man foreverafter. The animal climbs a shortrunway and emerges upon a swiftlymoving floor, which precipitateshim upon a trap-door that opensassoon as it is steppedupon. The sheepdrops suddeiiK- into apit filled with \erntin-dcstroying licjuid. By the time thesheep has collected itsbefuddled wits sulili-ciently to crawl out ofthe pit upon the openfield, the vermin havebeen completely ex-terminated. The ingeniousfeature of this appa-ratus is the endlessconveyor which takes the animals along to the trap-door no mat-ter how stubbornh- they resist—and sheepare the most stubborn of all animals whichrequire dipping. Where one sheep goesall go. That is the inventors reason forhaving a decoy sheep in a wire netting toentice the others to go A Heater for Use Over the Flame of aGas-jet or Kerosene Lamp FOR the small room that is not properlyheated, or to use for light cooking inconnection with illumination the de\iceillustrated may prove advantageous. Thetraveler or camper who needs a little hotwater for shaving or for a cup of coffeewill appreciate it also. It is constructed ofsheet-brass with an inner and outer the inner dome be-comes heated, a \acuum iscreated, drawing the coldair to it through theopenings in the outerdome. The heat doesnot pass through andout at the top, but isexpelled in a down-ward direction. Itcan be used on top ofa gas-jet or over thechimney of a kerosenelamp. Although the con-struction of the heateris strong enough to ac-commodate smallcooking utensils, theamount of weight which it will sustain islimited. The principal use for which it isntended is to supplement theheat of thefurnace or other heating system. It will befound especially useful in the bathroom. The
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
