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2. 12AU7 - Wikipedia

   en.wikipedia.org/wiki/12AU7

   It belongs to a large family of dual-triode vacuum tubes which share the same pinout (RETMA 9A). 12AU7 is also known in Europe under its Mullard–Philips tube designation ECC82 . [ 1 ] There are many equivalent tubes with different names, some identical, some designed for ruggedness, long life, or other characteristics; examples are the US ...

3. List of vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_tubes

   For transmitting tubes in this system, the second element starts with a dash, a sequentially assigned number, then an optional letter specifying cooling method. For phototubes and photomultipliers, the second element is a sequential number and then a letter code identifying vacuum or gas fill and the type of cathode.

4. Tube socket - Wikipedia

   en.wikipedia.org/wiki/Tube_socket

   Keying by omitting a pin is also used in 8- (subminiature), 10-, and 12-pin tubes (a variant 10-pin form, "Noval+1", is basically a nine-pin socket with an added center contact). As with loctal tubes, the pins of miniature tube are stiff wires protruding through the bottom of the glass envelope which plug directly into the socket.

5. De Dion suspension - Wikipedia

   en.wikipedia.org/wiki/De_dion_suspension

   The de Dion tube is shown in blue. The differential (yellow) is connected directly to the chassis (orange). Universal joints are shown in green. De Dion rear axle. A de Dion axle is a form of non-independent automobile suspension. It is a considerable improvement over the swing axle, Hotchkiss drive, or live axle. [1]

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. California health department reports possible bird flu case ...

   www.aol.com/news/california-health-department...

   By Leah Douglas and Julie Steenhuysen (Reuters) -California's public health department reported a possible case of bird flu in a child with mild respiratory symptoms on Tuesday, but said there was ...

8. 12AX7 - Wikipedia

   en.wikipedia.org/wiki/12AX7

   12AX7 (also known as ECC83 [1]) is a miniature dual-triode vacuum tube with high voltage gain.Developed around 1946 by RCA engineers [2] in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.

9. Kayaker's leg amputated after 20-hour rescue to free him from ...

   www.aol.com/kayakers-leg-amputated-20-hour...

   A medical team stayed with the man throughout the night. After they determined his condition was deteriorating, the decision was made to amputate his leg to facilitate his rescue.