Inaudi, the lightning calculator
Inaudi, the lightning calculator, performing at the Hippodrome, able to do mentally any sum given by the audience up to twelve figures in addition, subtraction and multiplication
Picture No
11657271
Media ID
46077300
Size
4017px x 6324px
(3.2MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
Unattributed photograph in The Tatler, 11 November 1903
Date
1903
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Addition Arithmetic Blackboard Brain Calculating Calculator Clever Dec16 Genius Hippodrome Intelligent Lightning Mathematical Mathematics Maths Mental Multiplication Subtraction Sums
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