DUV4224552 Mute letters and irregularites of pronunciation - booklet 3, page 65 - Syllabary Regimbeau Reading, Writing, Spelling, 1866 (engraving); 19x14 cm; (add.info.: New method simplifying the teaching of reading by the decomposition of language into pure sounds and articules sounds by P. Regimbeau, Former primary teacher, Chevalier de la Legion d\'honneur, Officer of Public Instruction. Bookshop Hachette et Cie, Paris. First edition in 1866); Photo by Duvallon.