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Figure 1 of the original patent for the molly bolt, U.S. Patent No. 2,018,251. The molly bolt was patented in 1934 by George Frederick Croessant. [3] Although his patent acknowledges that expandable fasteners of this general kind were already known, Croessant's patent is intended to provide "an improved and adequate anchoring grip that may be retightened if necessary and that will permit ...
Go equipment refers to the board, stones (playing pieces), and bowls for the stones required to play the game of Go.The quality and materials used in making Go equipment varies considerably, and the cost varies accordingly from economical to extremely expensive.
Wave washers A washer with a "wave" in the axial direction, which provides spring pressure when compressed. Wave washers, of comparable size, do not produce as much force as Belleville washers. In Germany, they are sometimes used as lock washers but they are less effective than other choices. [a] [8] Split washer or spring lock washer
The whole board opening is called fuseki. [1] An important principle to follow in early play is "corner, side, center." [2] [3] [4] In other words, the corners are the easiest places to take territory, because two sides of the board can be used as boundaries.
Typical fasteners (US quarter shown for scale) A fastener (US English) or fastening (UK English) [1] is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components. [2]
Part of a series on: Go; Game specifics; Rules; Handicaps. professional; Proverbs; List of terms; Strategy and tactics; Opening (theory; strategy); Fuseki (whole ...
Go is an abstract strategy board game for two players in which the aim is to fence off more territory than the opponent. The game was invented in China more than 2,500 years ago and is believed to be the oldest board game continuously played to the present day.
A clamp holder or clamp fastener is a piece of laboratory apparatus that is used to secure laboratory clamps, such as extension-type utility clamps, or other attachments to a retort stand or lab frame. [1] The material can be made up of brass, cast iron, stainless steel, aluminium or nickel-plated zinc. [2]