Hand-drawn circuit of a singing and speaking arc for the Istituto Tecnico Toscano

Details
Printed information:
"Ditta Alberto dall’Eco
(Ing. Giorgio Santarelli, Successore)
Firenze
10 - Via Giotto - 10
Officina di strumenti di precisione
Medaglia d’oro di 1° Grado
all’Espositizione Internazionale d’Elettricità di Como
deposito di materiali per laboratorii e gabinetti scientifici
rappresentanza esclusiva delle case
Elliott Bro.s di Londra
Brendel di Berlino, ecc."
Handwriting:
„I. Arco ricevitore
II. Arco trasmettitore“
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From the series
Source information
Type | Unpublished
|
Author | |
Type of Work |
Hand-drawn circuit
|
Place Published |
Florence
|
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Recording
Instruments and Technologies
Speaking arc
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Original from
Fondazione Scienza e Tecnica, Firenze
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