Certificate for Completion of Course of Instruction for Sumlock Calculating Machine

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Certificate, dated 30 September 1943, from the London Computator Corporation Ltd School for Arithmetical Machine Operators. It was awarded to Gladys Howell for completing the Course of Instruction in the use of the "Sumlock" all-British Calculating Machine in Birmingham and having passed the qualifying examination with 94% in Theory and Practice to become "a fully efficient Calculating Machine Operator".

Date : 1943

Physical Description : certificate, glued onto a piece of paper

This exhibit has a reference ID of CH53043. Please quote this reference ID in any communication with the Centre for Computing History.