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A balance puzzle or weighing puzzle is a logic puzzle about balancing items—often coins—to determine which holds a different value, by using balance scales a limited number of times. These differ from puzzles that assign weights to items, in that only the relative mass of these items is relevant. Known. Goal.
Weighing of souls. Archangel Michael is commonly depicted holding scales to weigh the souls of people on Judgement Day. The weighing of souls (Ancient Greek: psychostasia) [1] is a religious motif in which a person's life is assessed by weighing their soul (or some other part of them) immediately before or after death in order to judge their ...
W & T Avery Ltd. (later GEC Avery) was a British manufacturer of weighing machines. The company was founded in the early 18th century and took the name W & T Avery in 1818. Having been taken over by GEC in 1979 the company was later renamed into GEC-Avery. The company became Avery Berkel in 1993 when GEC acquired the Dutch company Berkel.
An industrial weighing scale is a device that measures the weight or mass of objects in various industries. It can range from small bench scales to large weighbridges, and it can have different features and capacities. Industrial weighing scales are used for quality control, inventory management, and trade purposes.
Calipers. A vernier caliper clamping on an object. Caliper (s) or calliper (s) are an instrument used to measure the linear dimensions of an object or hole; namely, the length, width, thickness, diameter or depth of an object or hole. The word "caliper" comes from a corrupt form of caliber. [1][2][3]
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The Roberval balance is a weighing scale presented to the French Academy of Sciences by the French mathematician Gilles Personne de Roberval in 1669. In this scale, two identical horizontal beams are attached, one directly above the other, to a vertical column, which is attached to a stable base. On each side, both horizontal beams are attached ...
An analytical balance (or chemical balance) is a class of balance designed to measure small mass in the sub-milligram range. The measuring pan of an analytical balance (0.1 mg resolution or better) is inside a transparent enclosure with doors so that dust does not collect and so any air currents in the room do not affect the balance's operation.