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2. Whippletree (mechanism) - Wikipedia

   en.wikipedia.org/wiki/Whippletree_(mechanism)

   It also keeps a point load from pulling the traces in onto the sides of the animal. If several animals are used abreast, further whippletrees may be used behind the first. Thus, with two animals, each has its own whippletree, and a further one balances the loads from their two whippletrees—an arrangement sometimes known as a double-tree , or ...

3. Four-bar linkage - Wikipedia

   en.wikipedia.org/wiki/Four-bar_linkage

   If the linkage has four hinged joints with axes angled to intersect in a single point, then the links move on concentric spheres and the assembly is called a spherical four-bar linkage. The input-output equations of a spherical four-bar linkage can be applied to spatial four-bar linkages when the variables are replaced by dual numbers. [8]

4. Tightlock coupling - Wikipedia

   en.wikipedia.org/wiki/Tightlock_coupling

   Type H Tightlock couplers on a British Rail Class 321 EMU with integral air brake and head end power connections. Type H couplers are in widespread use on multiple unit passenger trains in the UK built from the mid 1970s onwards.

5. Lattice and bridged-T equalizers - Wikipedia

   en.wikipedia.org/wiki/Lattice_and_bridged-T...

   As an example, the procedure was used by Zobel to design an equalizer for a balanced line with a characteristic impedance of 600 Ω and 50 miles in length, for frequencies up to 4.5 kHz. [ 3 ] : 480 In this early paper Zobel used the “napier” (the natural logarithm of a voltage ratio) and the “transmission unit” (a logarithm to the base ...

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com/news

   Get breaking news and the latest headlines on business, entertainment, politics, world news, tech, sports, videos and much more from AOL

7. HIV isn't the death sentence it once was: How related deaths ...

   www.aol.com/hiv-isnt-death-sentence-once...

   Death rates fell among highly affected HIV subpopulations. Medical breakthroughs have reduced death rates for Americans with HIV, including groups that are disproportionately affected by the virus.

8. Equalization (communications) - Wikipedia

   en.wikipedia.org/wiki/Equalization_(communications)

   A television equalizer consequently typically requires more filter sections than an audio equalizer. To keep this manageable, television equalizer sections were often combined into a single network using ladder topology to form a Cauer equalizer. The second issue is that phase equalization is essential for an analog television signal.

9. Three parties combine to keep poll-topping far-right at bay ...

   www.aol.com/news/three-parties-combine-keep...

   BERLIN (Reuters) -Three parties in the eastern German state of Thuringia joined forces on Thursday to keep the poll-topping Alternative for Germany out of power, electing as state premier a ...