. Public works . VIEW OP TRACK SCALE FROM PIT. SAPETY SMOKE HELMET. GRETHER SMOKE MASK. The Grether smoke mask or helmetis a recent device made by the GretherFire Equipment Co., Dayton, O., forprotection of firemen from smoke,gases, chemical fumes and similar dan-gers. It has already been adopted bya number of fire departments, whichreport them as convenient and satis-factory in service. The mask is madeof a felted material and is so con-structed as to form an airtight cover-ing around the face, being fastened atthe back of the head by a large rubberband. The entire face is covered sothat eyes
. Public works . VIEW OP TRACK SCALE FROM PIT. SAPETY SMOKE HELMET. GRETHER SMOKE MASK. The Grether smoke mask or helmetis a recent device made by the GretherFire Equipment Co., Dayton, O., forprotection of firemen from smoke,gases, chemical fumes and similar dan-gers. It has already been adopted bya number of fire departments, whichreport them as convenient and satis-factory in service. The mask is madeof a felted material and is so con-structed as to form an airtight cover-ing around the face, being fastened atthe back of the head by a large rubberband. The entire face is covered sothat eyes, nose and mouth are pro-tected. Near the nostrils are two spe-cial chemical filters which neutralizethe smoke and fumes and make therim fit to breathe. These filters do notneed renewing. For the eyes thereis a large mica opening. Thehelmet, which is here illus-trated, weighs only four ouncesand will fit any one. It maybe put on in a few seconds andoes not require any attentioi In a test made recently in ichemica
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Keywords: ., bookcentury1800, bookdecade1890, bookidpublicworks3, bookyear1896
