Differences

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--- television_history [2025/09/04 08:36] – [Intro] hkimscil
+++ television_history [2025/09/04 09:01] (current) – [c.f.] hkimscil
@@ Line 50: / Line 50: @@
     * [[https://youtu.be/q3eFl9pcxsM?t=122|The famous quote: "That's the way it is"]]
   * [[https://vimeo.com/76721057#t=120s|120s, Intro ends, Television: A Window to the World]]
+===== c.f. =====
+  * 1840s.
+    * daguerreotye
+      * netative, positive process
+      * roll film
+      * small camera (by Kodak)
+      * see https://www.britannica.com/technology/photography
+  * 1890s
+    * motion picture (1878, pictures of horse) see [[google>photographic sequence of a horse]]
+    * 1920s key milestone with sound and color
+  * 1896
+    * radio invented
+    * and primarily used to contact ships that are out at sea.
+      * sink of Titanic [[google>radio signal during sinking of the Titanic]]
+      * [[google>radio signal during sinking of the Titanic sarnoff]]
+      * mainly via Morse signal
+    * 1920s
+      * flourishing
+      * KDDA, Pittsburgh PA by Westinghouse Company
+        * and BBC in England
+      * radio box manufacturing, selling, broadcasting . . . . problems
+      * RCA . . . Radio Corporation Agreement
+        * Who makes what
+        * radio box, transmitters, . . .
+        * AT&T regular broadcast
+          * first advertisement
+      * 1920s 29
+        * NBC
+        * CBS
 ===== Piece of Puzzles =====