Report of the Committee on leather for bookbinding . Plate No. VI,—VARIOUS SAMPLES OF LEATHER exposed to air and the white light of an incandescent gas lamp for 30 days (upper half exposed). (1) Sumach Calf, (2) Sumach Skivep. (3) Detannised East India tanned Sheep. (4) Sumach East India tanned Sheep, ?MMHHHHHHmtaawsiMi i-LATE Plate No. VIl.—VARIOUS SAMPLES OF LEATHER exposed to air and thelight of Br>ays No. 5 gas burner- for> 30 days (upper half exposed). (1) Calf Sumach tanned. (2) Skivep Sumach tanned. (3) Lightly detannised East India tanned Sheep, but not petanned.

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Keywords: ., bookcentury1900, bookdecade1900, bookidcu, booksubjectbookbinding