Vintage Technical Notes And Drawings From The Marconi Wireless Telegraph Company Development Division

A selection of 1940s and 50s Vintage Technical Notes And Drawings From The Marconi Wireless Telegraph Company Development Division.

Representing an interesting part of post-WW2 wireless development, the papers comprise an eclectic selection of foolscap size typed and handwritten technical notes with associated schematics, graphs and engineering drawings. There are probably out of date order, and the notes are mixed up, but they belonged to a late engineering friend who worked at the Marconi Development Division.

In fair condition with slight tears and discolouration commensurate with age and storage.

Subject matter includes:-

• Noise Factors
• Response Curves
• Butterworth and Chebyshev Filters
• Aerial Switches
• And a graph showing the resonance curves of coupled circuits.

A real slice of radio history or bedtime reading for someone who loves physics and engineering!

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