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Tissot introduced its first tactile watch, with "T-Touch," technology in 1999; watches containing this technology have touch-sensitive sapphire crystals to control various functions including compass, barometer, altimeter and thermometer. The 2014 T-Touch Expert Solar and T-Touch Lady Solar had 25 functions. [14]
Founded in its current form in 1973, the COSC is a Swiss non-profit organization that tests chronometers that are Swiss Made. COSC is an acronym for the organization's French language name, Contrôle Officiel Suisse des Chronomètres.
The Swatch Group Ltd is a Swiss manufacturer of watches and jewellery. The company was founded in 1983 through the merger of ASUAG and SSIH, moving to manufacturing quartz-crystal watches to resolve the quartz crisis threatening the traditional Swiss watchmaking industry.
A time–distance diagram is a chart with two axes: one for time, the other for location. The units on either axis depend on the type of project: time can be expressed in minutes (for overnight construction of railroad modification projects such as the installation of switches) or years (for large construction projects); the location can be (kilo)meters, or other distinct units (such as ...
Mathey-Tissot is a Swiss watch maker of prestige watches, originally established in 1886 by Edmond Mathey-Tissot at Les Ponts-de-Martel in the canton of Neuchâtel in Switzerland. Mathey-Tissot is an independent watchmaker, with its headquarters in Geneva. It is not associated with Tissot, another Swiss watchmaking firm.
The formulas for the spherical orthographic projection are derived using trigonometry.They are written in terms of longitude (λ) and latitude (φ) on the sphere.Define the radius of the sphere R and the center point (and origin) of the projection (λ 0, φ 0).
The Behrmann projection with Tissot's indicatrices The indicatrices demonstrate the difference between the 3D world as seen from space and 2D projections of its surface. The map–territory relation is the relationship between an object and a representation of that object , as in the relation between a geographical territory and a map of it.
Tissot's indicatrices on the Mercator projection. The classic way of showing the distortion inherent in a projection is to use Tissot's indicatrix. Nicolas Tissot noted that the scale factors at a point on a map projection, specified by the numbers h and k, define an ellipse at that point. For cylindrical projections, the axes of the ellipse ...