Category Archives: Engineering History

Engineering history as to civil and military engineering, electronics and related topics.

Astronomical Clocks in Prague and Münster

1. Introduction

For plenty of reasons, Prague is one of the most popular tourist destinations in Europe, and if you had the pleasure to spend a few days in the capital of the Czech Republic (aka Czechia) for a sightseeing tour you would certainly visit the Old Town Square (Staroměstské náměstí) in the city center with its scores of splendid and centuries old buildings.

At the southwestern corner of the … read more

Ouvrage Hackenberg


In 2017 I spent short holidays in Northern France for both improving my French skills and for broadening my horizons about culture and history.

History is a subject I’ve been interested in my whole life, so I was glad to have the opportunity to visit several historic battlefields in Lorraine and Alsace (Elsass-Lothringen1) near the borders to Germany and Luxembourg.

The entire border area from … read more


Table of contents

  1. Introduction
  2. The Morvan massif
  3. Bibracte
    1. Gallic origins
    2. Metallurgy
    3. Civil engineering
  4. The fate of the Gauls

1. Introduction

During the summer of 2016, I made an extensive bike tour through the Morvan massif in east-central France.

Apart from the picturesque landscapes, this region boasts with a noteworthy history and great a many archaeological sites and museum exhibitions.

It gravitates for the most part around the ancient town … read more