Garrett, A. E · London : Hodder and Stoughton · leaf 217
eaker inverted will do), the height beingarranged as in diagram, so that the materialto be dried is in the centre of the oven, and thethermometer, which should register up to 200° C,should be placed as shown. A very useful ovencan be made out of a good-sized biscuit-tin ; ahole as large as a… … / # Diagram IX. Hot-air Drying Oven, showing arrangement of beakerand thermometer. CHEMICAL TESTS FOR FIBRES 205 drying ovens a shelf on which to stand thematerial is usually provided. Weigh carefully two pieces of the material tobe tested ; let each be 10 grams. Place one pieceon the right-hand…
Textile fibers · Textile fabrics
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