The Lagomarsino Numeria Model 7203 is a full-keyboard, mechanical calculator with an axial pinwheel, carry drum mechanism which is capable of multiplication, division, addition, and subtraction.

All Numeria calculators have a four-digit model number, the first digit is the series number, all Numeria machines begin with a 5, 7, 8 or 9, with the differences being in styling. The second digit indicates the size of the counter. The 2 in our model indicates an 8-digit counter. The third digit indicates how the motor is driven, 0 indicates that ours is manually drive. The fourth digit indicates whether the register can be split into two independent parts, or whether it has a counter with a carry mechanism.

It was manufactured by Lagomarsino in Milan, Italy during the late 1950s and 60s.

Manufacturer: Lagomarsino
Date: 1960

This exhibit has a reference ID of CH36729. Please quote this reference ID in any communication with the Centre for Computing History.

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