Typewriter structure
Typewriter structure

0.0 00 In this image, you will find Carriage release lever, Decal, Type guide, Ribbon vibrator, Paper table, Platen, Paper finger, Ribbon spool, Typebars, Keytop, Shift key, Spacebar, Type lever, Typewheel, Ribbon reverse button, Feed roller, Platen knob in it.

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Envelope structure
Envelope structure

0.0 00 In this image, you will find Widht of a seal, Seal flap length, Throat, Side fold, a Bottom flap of a back, Bottom fold, Side flap in it.

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Case-bound book structure
Case-bound book structure

0.0 00 In this image, you will find Top edge or head, Headcap, Back cover or backboard, Spine or back, Front cover or front board, Tail, Hinge or joint, Square, Fore-edge, Bookblock or text block, Flyleaf, Endpapers or endsheets, Pastedown, Turn-,n, Headband or end and in it.

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Envelope structure
Envelope structure

0.0 00 In this image, you will find Widht of a seat, Top fold, Side flap, Throat, Seal flap length, Side fold, Bottom flap or back, Bottom fold, Side fold, Seam overlap in it.

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