antiquarian archives binding boards books browning close-up cloth corners covers culture damage damaged deckled edge discoloration discolouration dog-eared dusty edge edging editions fabric foxing fragile frayed hardcover leaves libraries library old pages print restoration spine tattered text texture textures value wear advice artwork authors book claims directions edition family-guidance illustrated medical photo publication qualified? questionable strange title title-page body-parts colored coloured cut-away directives head illustration index internal neck analog angles color colors colour colours communication connected connections dirty electrical electricity electronic equipment gadgetry insulated insulation metal no-longer-in-use numbered numbers numerals outdated perspectives plastic plastics pre-digital switchboard switches telecommunications telephones telephony unwanted useless weathered wires wiring worn deckled-edge internal-organs layers muscles over-lay