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2. Hart's inversors - Wikipedia

   en.wikipedia.org/wiki/Hart's_inversors

   Hart's first inversor, also known as Hart's W-frame, is based on an antiparallelogram.The addition of fixed points and a driving arm make it a 6-bar linkage. It can be used to convert rotary motion to a perfect straight line by fixing a point on one short link and driving a point on another link in a circular arc.

3. Straight-line mechanism - Wikipedia

   en.wikipedia.org/wiki/Straight-line_mechanism

   The simplest solutions are Hart's W-frame – which use 6-bars – and the Quadruplanar inversors – Sylvester-Kempe and Kumara-Kampling, which also use 6-bars. Sarrus linkage (1853) Peaucellier-Lipkin inversor (1864) Hart's first inversor / Hart's antiparallelogram / Hart's W-frame (1874) Hart's second inversor / Hart's A-frame (1875 ...

4. William S. Hart - Wikipedia

   en.wikipedia.org/wiki/William_S._Hart

   William Surrey Hart (December 6, 1864 – June 23, 1946) was an American silent film actor, screenwriter, director and producer. [1] He is remembered as a foremost Western star of the silent era who "imbued all of his characters with honor and integrity."

5. Smith & Wesson Centennial - Wikipedia

   en.wikipedia.org/wiki/Smith_&_Wesson_Centennial

   A Smith & Wesson Model 642 revolver with an open cylinder and ergonomic rosewood grips. The Model 640 revolver has been in production since 1990 and was chambered for .38 Special. It was fitted with a standard barrel of 1-7/8 inch length. The second model had a slightly heavier and longer barrel of 2-1/8 inch length.

6. Watt's linkage - Wikipedia

   en.wikipedia.org/wiki/Watt's_linkage

   Watt's linkage consists of three bars bolted together in a chain. The chain of bars consists of two end bars and a middle bar. The middle bar is bolted at each of its ends to one of the ends of each outer bar.

7. Nickelodeon Alum Melissa Joan Hart Addresses ‘Quiet on Set ...

   www.aol.com/entertainment/nickelodeon-alum...

   Melissa Joan Hart believes the victims who made allegations against Nickelodeon in the Quiet on Set documentary — even if she didn’t experience the same treatment while with the network ...

8. Smith & Wesson Governor - Wikipedia

   en.wikipedia.org/wiki/Smith_&_Wesson_Governor

   The rear sights are fixed; similar to those found on the small J-Framed .38 Special and .357 Magnum as well as the medium-sized K-frame service revolvers. The front sights on both the standard and Crimson Trace models feature a tritium night sight that is drift-adjustable for windage corrections. It holds six rounds in any combination.

9. Highway Addressable Remote Transducer Protocol - Wikipedia

   en.wikipedia.org/wiki/Highway_Addressable_Remote...

   The HART Communication Protocol (Highway Addressable Remote Transducer) is a hybrid analog+digital industrial automation open protocol. Its most notable advantage is that it can communicate over legacy 4–20 mA analog instrumentation current loops, sharing the pair of wires used by the analog-only host systems.