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Class Call-Box

KMI.7. (Green and Lloyd number, stencilled in white paint) Not_CALLED CALLED Not_PASSED PASSED (stencilled in black varnish over each of the three compartments in the box). MANU Unsigned. 18th or 19th century This class call box was used by Lord Kelvin to regulate the speed at which he progressed with the course. Over the academic year all the names in the Not CALLED section of the box wold be takā€¦