| Developers: | INEUM named after I. Brook |
| Date of the premiere of the system: | 1939 |
Even before emergence of the first electronic computers there was already a need of the solution of the most difficult mathematical tasks with huge volumes of calculations with which also the whole workshop of clerks would not cope with arithmometers. For these purposes built bulky analog computers - integrators and differential analyzers.
In 1939 the electromechanical integrator was constructed in the USSR under the leadership of the engineer Brook. Before computers of such complexity in our country were not yet. It was not the first integrator in the world, but one of the most difficult and the first in the USSR.
More than one thousand cogwheels, racks with jumpers and openings for axes were located in the hall about 60 sq.m. To enter statements of the problem, it was necessary on all cogwheels on a panel to expose certain digits (the turn of wheels changed resistance of variable resistors). On this process left up to several weeks! The integrator allowed to solve with some approach differential equations to the 6th order. It was used in the petrochemical industry for calculation of the equations and systems of underground hydraulics and temperature fields.
For 2019 from the first Soviet analog computer there was only that panel of input, it is stored in the Polytechnical pavilion of VDNH.
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