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OMF World |
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| The Regina Margherita thermoelectric power station | Turbine Wheel | Chemical Lab | ||
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| Pressure Vessel with external coil | Reactor Vessel | Plate-and-Frame Heat Exchanger | Torsion Testing Machine | Elevator |
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| Pantelegraph | Magnetometer and Sextant | Telegraph Operator Office | Telegraph Machines | Manual Telephone Switchboard |
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| Telephones | Teletypes | Inspired by Leonardo | ||
| © OMF (Vadim Zykin). | ||||