Phonograph - Discuss the early process of sound recording, before magnetic tape and cassettes, in which a needle cut a recording on a wax plate. Telegraph - Let someone present a research report on Thomas Edison's early days as a telegrapher. Let someone do a report on Morse code and give a demonstration of it. Graph - Introduce various kinds of graphs in math class. Lithograph - Discuss the process of lithography and talk about Currier and Ives. Their lithographs are still used every year as Christmas cards. make potato or linoleum block prints. Graphite - Have someone research how it is used today. Hologram - Show students a hologram (on a National Geographic cover or on your credit card). Autograph - Have the class write to famous people, requesting an autograph. Phonogram - The Greek word gramma, meaning letter or something written down, comes from graphein. Discuss the invention of the alphabet as an early system of written-down sound.
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Vendeur : Austin Goodwill 1101, Austin, TX, Etats-Unis
Etat : good. Book shows general signs of use and handling. May have light wear on the cover or edges and minimal writing or highlighting. Binding remains tight, and pages are clean and readable. N° de réf. du vendeur CTXV.1885942125.G
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