INDEX.

Acetic Acid. See Acids, organic.

Acids, mineral, 20, 21

---- ---- See also Sulphuric acid.

---- organic; sulphuric acid substituted for, 8, 9

----, ---- Use of, advocated, 21

Aniline dyes. See Leather, dyeing.

Athenæum Club Committee on leather decay, 11

Binderies, private; fitting and administration, 41-54

Binding contracts, 13, 24, 25

Binding specifications, model, 25

Bookbinding, education in, want of provision for, 43

Bookbinding in Public Libraries. See Binderies, private.

Bookbinding leathers. See Leather; and under names of skins, e.g., Goatskin, &c.

Book cleaning and polishing. See Leather preservative compositions.

Books; replacing within covers, 43, 52, 53

Book-sewing; stabbing process for pamphlets, 42, 43

---- ---- Modern methods, 43, 44

Calvert, C., on decay of leather, 11

Catechol tannins condemned. See Tannins.

Calfskin, 26, 36

Cockerell, D.: Note on Bookbinding, 25

Damp, influence upon leather, 27, 48

Davenport, C.: “Repairing and Binding of Books for Public Libraries.” Chap. IV., 41-48

Decay of leather. See Leather, decay.

Dyeing leather. See Leather, dyeing.

Formic acid. See Acids, organic.

Gas fumes; influence upon leather, 11, 12

Goatskin, 26, 34-36

Graining, artificial, of leather. See Leather, artificial graining.

Heat; action upon leather, 11, 12, 27

Hogskin. See Pigskin.

Hull Public Library; Reports on private bindery, 45-47

Hulme, E. W.: “History of Sumach Tanning, &c.” Chap. I., 7-14

Jones, A. S.: “Provenance, &c., of Bookbinding Leathers.” Chap. III., 31-38

Lactic acid. See Acids, organic.

Lawton, W. F. See Hull Public Library.

Leather, artificial graining of, 10, 22, 31

---- bindings; conditions for preserving, 27

----, decay of; history, 10-12

----, ---- symptoms, 13, 14

----, ---- reasons, 18-24

---- dyeing; old and new systems compared, 9, 20, 21

---- early manufacture, 17

---- finishes, 24

---- preservative compositions, 27, 47, 48

Leathers, retanned; process described and condemned, 22-24

----, ---- conditionally recommended, 34, 35

---- split, 22, 26, 33

Leathersellers’ Company; supervision of sumach tanning in 1565, 7

---- ---- Grant to Society of Arts’ Committee, 12

Light, influence upon leather, 27, 48

Lopez, R., original of “Shylock”, 7, 8

McBride, Dr., introduces use of sulphuric acid in 1768, 8, 9

Morocco grain, 35

---- ---- artificial. See Leather, artificial graining of.

Moroccos. See Goatskin; Niger skin; Leathers, retanned.

Myrobalans, duty on, in 1660, 8

Niger skin, 34

Oxalic acid, use of, by binders, 14, 24

Paper, clay-loaded, mounting, 41, 42

Parker, J. G.: “Causes of Leather Decay.” Chap. II., 17-27

----, ---- appointed Analyst to the L.A., 12, 13

“Persians.” See Leathers, retanned.

Pigskin, characteristics, &c., 26, 37, 38

---- decay, 14

Pyrogallol tannins. See Tannins.

Russia leather, 26

Sealskin, 26, 37

Sheepskin, 26, 31-33

“Shylock,” original of, 8

Skivers. See Leathers, split.

Society of Arts’ Committee on Leathers, appointment, 12

---- ---- ---- Recommendations, passim.

Sound Leather Committee; appointment, 12

Spanish leather, sumach-tanned, 7

Stationery Office. See Binding contracts.

Sulphuric acid, first used in 1768, 8, 9

---- ---- See also Acids, mineral.

Sumach tanning, history, 7, 8

Tannins; pyrogallols distinguished from catechols, 19, 20

Vellum, 26, 48

Williamson, F. J.: “Specification for the Fittings of a Small Bindery.” Chap. V., 51-54

Woodward, C. T.: Experiments on action of gas fumes and heat, 11