Rich set of diagrams and technical plans of communication apparatus including -Hippe (Berne) moving device cut, dated 26.9bre.55 and numbered 133B -Hippe Mobile Apparel (Berne) General Plan, dated 26.9bre.55 and numbered 131B -Manipulator Grandeur d'execution signed Bouchot in Paris on 26 January 1872 and numbered 138B, on Blauw watermarked paper and HP coat of arms. A second, dated 27 January 1872, is attached. -Manipulator Morse, numbered 129B -Manipulator of the Indicator (N°4531), dated April 1854 and numbered 150B -Relai d'Arlincourt (simple for head of line), signed Leon Dienne, dated May 1874 and numbered 120B. A second, unnumbered, is attached. -Vertical endless paper recorder, numbered a142bis (96 x 61.5 cm) -Relai, in colour, number 117B, signed Breguet -Gravure "télégraphie poste morse à deux directions", plate IV from the Manual of electric telegraphy of L. Breguet The smallest : 23 x 36 cm Stretching, folding and tearing, various papers