2015 Treatments

Sig­nal book
cir­ca 1780
Assessed Octo­ber 13, 2014
Quar­ter brown sheep tight­back sided up with mar­bled paper. No spine lin­ing or head­bands. Thick off-white laid hand­made paper in eight sec­tions, end­pa­pers con­tigu­ous with textblock. Index tabs cut through­out. All edges sprin­kled red. Sewn two-on over four cords, out­er two laced into boards. Man­u­script through­out, in ink and pen­cil, with mar­gin rules in dilute ink. Water-insol­u­ble illus­tra­tions of flags throughout.
Leather dark­ened and miss­ing much of grain lay­er on spine and board edges, with all edges exposed and de- lam­i­nat­ing. Spine has loss­es at head, tail, and cords, split in the sec­ond sec­tion. The boards are attached only by the cords, and the leather is lift­ing with loss­es on the cov­er along the joint. The upper slip on the left board is bro­ken. Boards deformed where the index tabs were cut. Tape and tape residue from a shelf­mark at the tail. There are two stab holes on the right board and through three gath­er­ings. The sewing is intact.

Sur­face cleaned and tears repaired. Leather con­sol­i­dat­ed with Klucel‑G® and lift­ed. Rebuilt cor­ners with linen fiber paste and cov­ered with toned Japan­ese tis­sue. Lined spine with tis­sue and patch lined with aero­cot­ton. The extend­ed cloth lin­ing was past­ed onto the boards. Re- backed with dyed repair calf. Lift­ed leather read­hered with Las­caux 498HV. Cre­at­ed four-flap enclosure.

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All the World’s Aircraft
Fred T. Jane, 1913, London
Assessed Jan­u­ary 13, 2015
Full blue starch-filled cloth case bind­ing stamped in sil­ver foil. Thin clay-coat­ed white paper in 38 two-folio sig- natures. Page 96 cut out and reprint insert­ed. Adden­da page oppo­site page 19d. Sewn all along over three cloth tapes. Black pho­tolith­o­graphs with Tang­mere Muse­um stamps in black ink through­out. Var­i­ous shelf­marks taped to spine: type­writ­ten, inkjet print­ed, and hand­writ­ten in pen­cil and felt-tip pen. Rem­nants of paper label print­ed in black ink on left cover.
Right joint is detached and left joint is loose. Cloth over right joint split except where it is held on with tape from shelf­marks. All cor­ners of boards frayed and delam­i­nat­ing except spine side of left board. Cloth on spine is fray­ing and torn, miss­ing head­caps at head and tail. Cock­ling at tail indi­cat­ing expo­sure to mois­ture or high humid­i­ty. Clay coat­ing adhered and skin­ning paper through­out textblock main­ly toward the tail near spine edge. Page 168 cut leav­ing stub, taped on rec­to, patched with blue paper on ver­so. Pres­sure-sen­si­tive adhe­sive tape on pages 167 and 27d.

Sep­a­rat­ed and repaired pages, con­sol­i­dat­ed cor­ners with wheat starch paste and cov­ered with toned tis­sue, re- moved tape, hinged reprint­ed page, reat­tached cut page to stub, Patch lined spine with cloth attached to boards under paste­downs, cloth reback.

Farn Island
Ear­ly 19th century
Assessed Jan­u­ary 9, 2015
Half leather split board case bind­ing in red sheep­skin and red paper over mill­board. Leather label on left board. Gold tool­ing on spine, label, and at edges of paper. Thick off-white wove paper in eight sec­tions, with three folios and one leaf stab-sewn through last sec­tion. Sewn all- along over three green parch­ment tapes. All edges gilt. Man­u­script in brown-black ink with pen­cil rul­ing and anno­ta­tions. Charts insert­ed oppo­site page 9, 61, and two oppo­site 109.
Dis­col­ored pri­mar­i­ly at foredge on cov­ers and through- out textblock. Leather heav­i­ly abrad­ed and skinned, sides abrad­ed and dark­ened with loss­es at tail and foredge. Miss­ing head­caps, all board edges exposed, cor­ners de- lam­i­nat­ing, leather lift­ing with loss­es. Right joint bro­ken but case intact. Cloth patch lin­ing attached to case but not spine at head and tail, cen­ter patch­es adhered to spine but split at joint. Right fly­leaf detached, first folio split.

Sur­face cleaned boards and textblock, con­sol­i­dat­ed leather with Klucel‑G®, mend­ed paper, rebuilt cor­ners and board edges with fiber paste and cov­ered with toned tis­sue, hinged leaf around sec­tion, hinged end­pa­pers to textblock, lift­ed patch lin­ings and applied tis­sue and ex- tend­ed cloth lin­ing, resewed all sec­tions includ­ing insert- ed gath­er­ing through fold, rebuilt head­caps with toned tis­sue, slit boards and insert­ed cloth as patch lining.