bessemer converter #2 color palette

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#211A03 #675835 #FFFFFF #EBD7C8 #AF9775

related tags: 1A180E 211A03 524C3E 8C8275 AF9775 BCB4AE E1DAD7 EBD7C8 bessemer bessemerconverter blackwhite ffffff henrybessemer history industrial industry kelhamisland kelhamislandindustrialmuseum machinery massproduction monochrome sheffield southyorkshire steel steelindustry workington 1856 675835