Visual aids

Abstract

Among their educational aids Aristo manufacture a ‘projection slide rule’ which when used with an overhead or daylight projector allows students to follow every projected setting made by the lecturer. It projects both sides of the slide rule simultaneously. Available from Dennert & Pape, Aristo‐Werke KG, 2 Hamburg 50, Germany.

Citation

(1966), "Visual aids", Education + Training, Vol. 8 No. 10, pp. 462-462. https://doi.org/10.1108/eb015764