The Story of the Alphabet 85 side by side with the ordinary one Once you have mastered the key to this phonetic spelling you know how to pronounce a foreign word, however fantastic its spelling may be If your dictionary uses the International Phonetic Alphabet you may find at the beginning a list incorporating the two on pp. 83 and 84 respectively. With the help of this key you are able to pronounce the following French words even if you do not know any French, b£te (be t) commerce (komsrs) bord (tor) f<§d6r£ (federe) chaine (Js*n) plaine (pis n) clocher (kbje) prix (pn) toute (tut) EYE AND GESTURE LANGUAGE IN THE WORLD TO-DAY A bird's-eye view of visual language, in contradistinction to that of the ear, would be distorted if it took in nothing but the evolution of signs used in ancient stone inscriptions, manuscripts or modern books, and newspapers. Visual communication may be of two kinds, transient or persistent The first includes gesture which reinforces daily speech, and the several types of gestural language respectively used for communication between deaf and dumb people, or in military and naval signalling. Signalling may be of two types Like deaf and dumb gesture language, it may depend on human movements which recall symbols used in alphabetic writing Signalling by flag-displays based on codes is like logographic writing The signs used by bookies or hotel porters are a logographic gesture-script. Codes used in telegraphy overlap the territories of audible communi- cation, visual communication which is transient, and visual communi- cation for permanent record Like the Ogam script, it depends on the alphabet, and, since each alphabet symbol is made up of long or short strokes like prolonged or sharp taps, the same system serves equally well for recognition by eye, ear, or tactile sensation, A two-stroke system of this kind is a mechanical necessity dictated by the design of the first telegraphs to take advantage of the fact that a magnetic needle turns right or left in accordance with the direction of an electric current. The inventors of the telegraphic codes lived in a less leisurely age than the Ogam stone-masons, and took full advantage of the possibility of varying the order in which it is possible to arrange a limited number of strokes of two different types (Fig 19). Like Ogam script a telegraphic code is swttble for purely tactile recognition by the bluid^ who were