Old illustration: design of the security mechanism of a safe - Vintage Nostalgia
Old illustration: design of the security mechanism of a safe

A opened bank deposit safe showing a complicated security mechanism

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The telegraph and its ancestors - Vintage Nostalgia
The telegraph and its ancestors

Telegraph history and “modern” achievements

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Morse telegraph - Vintage Nostalgia
Morse telegraph

Illustration from middle ‘800, Morse telegraph: receiving station

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Application of electricity: railway emergency signal - Vintage Nostalgia
Application of electricity: railway emergency signal

Illustration from middle ‘800: application of electricity, train driver asking for help by means of the emergency signal. He must be very sure no others train are coming

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