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--- public:radio:active:cw [24/06/23 08:26 BST] – [Further Information] john
+++ public:radio:active:cw [06/03/25 06:49 GMT] (current) – external edit 127.0.0.1
@@ Line 19: / Line 19: @@
-  * Vibroplex "Presentation" bug : Serial No 198474, Plate "Patented 833 Broadway" Serial Number list {{ :public:radio:active:ww7p-serial-number-list.pdf |}} indicates **1957**
+  * Vibroplex "Presentation" bug : Serial No 198474, Plate "Patented 833 Broadway" (D6 Plate). The Serial Number list {{ :public:radio:active:ww7p-serial-number-list.pdf |}} indicates **1957**
   * Hi-Mound HK-708 (the same one I've had since 1982)
   * GPO brass key
   * "Russian army" key
-  * Vibroplex "Champion" bug : Serial No 211617, Plate "Patented 833 Broadway", date 1960
+  * Vibroplex "Champion" bug : Serial No 211617, Plate "Patented 833 Broadway" (D6 Plate), date 1960
 {{:public:radio:active:img_20230612_163125_736.jpg?600|}}
@@ Line 48: / Line 48: @@
 I hope to get enough air-time and enjoyment that perhaps I can justify a new key or even a new bug (I have been looking in wonder at the [[http://www.i2rtf.com/intrepid.html | Begali Intrepid]] )......
+  * Update 23/6/23 : New (to me) bug.... 1960 Vibroplex Champion from eBay [[public:radio:radio_database:vibroplex_champion|]]
 ==== Receive Practice ====
@@ Line 64: / Line 66: @@
 --- //John Pumford-Green 12/06/23 13:22//
+{{:public:radio:bug_cert.png?400|}}
 ===== Further Information =====
+  * The Art and Skill of Radio Telegraphy : {{ :public:radio:active:tasrt.pdf |}}
+  * Articles by Tom McElroy (thanks to Ian IK4EWX)
+    * {{ :public:radio:active:hints_on_improving_keying_tmcelroy-_qst_nov35.pdf |}}
+    * {{ :public:radio:active:mcelroy-part1_radio_1935-01.pdf |}}
+    * {{ :public:radio:active:mcelroy-part2_-_radio_1935-02.pdf |}}
+    * {{ :public:radio:active:mcelroy-part3_-_radio_1935-05.pdf |}}
-{{tag>radio morse}}
+{{tag>radio cw}}