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Sec Page 62 General Properties
The Dalby Optical Recorder of Load and Elastic Exten sion
Typical Looped Diagram
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abrasive alloys Amsler annealed annld antifrictional apparatus applied autographic recorder ball hardness Bottone's Brinell hardness Brinell test Brinell wear Brinell's Carbometer carbon content carbon curve cast iron Charles Osgood chemical composition comparative Dalby definite depth diagram diameter ductility dynamometer effect elongation emery emery paper fiber discs friction galvanometer grain groove guaiacum Hardal hardened hardness tests higher wear resistance horizontal increase indenting tool influence investigating the resistance iron disc kg load leather limestone loop lubrication manganese manganese content manganese steel measured metals and alloys method obtained oilqud plain carbon steels Pressure kg Period produced Professor Dr quartz quartz sand reliable researches resistance to wear roller rolling rolling friction rotating rubber rubbing silicon soft speed suitable surface Swedish Table tensile strength tensile test test periods test piece test pressure test results Text to Fig tion treatment untreated waterqu'd wear disc Wear res wear tests