Source: https://web.archive.org/web/20210418123712/https://twitter.com/Siliconinsid/status/1383761333095604228
Text: SGI Geometry Engine GE25A (1983).
The geometry engine is a specialized co-processor designed to compute essential math operations involved in 3D graphics, such as vector, matrix transformations, clipping and mapping.
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{{:bercovici:sgi:ge25a:die.jpg?300|}}