WE ARE CLOSING FOR AN UPGRADE!
The MNACTEC will be closed for improvement work until 17 September 2026.
We will still be busy with activities for schools,, online resources and on social media!
Optical telegraphy in Catalonia
This book provides an account of the history of optical telegraphy in Catalonia, and an inventory of the existing pylons in the region
By Lluís Len and Jaume Perarnau. Published by MNACTEC and Rafael Dalmau, 2004.
This book, overseen and coordinated by the MNACTEC, is a landmark work on Catalan optical telegraphy. It deals with the background and beginnings of optical telegraphy, and the arrival in Catalonia of electrical telegraphy. It includes more than 108 optical telegraphy pylons.