Category Archives: Engineering and Travel

Civil engineering and historical sites

Engineering series 4: Astronomical clocks in Prague and Münster

Table of contents

  1. Introduction
  2. Astrolabium
  3. Astronomical clock in Münster
  4. Astronomical clock in Prague
  5. Summary

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 in the city center with its scores of splendid and centuries old buildings.

At the southwestern corner of the Old Town Square you will find a particularly …

Engineering series 3: Ouvrage Hackenberg


In spring 2017 I spent my holidays in Northern France for both improving my French skills and for deepening my cultural and historical knowledge.

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 the Atlantic ocean to Switzerland was one (or the) main theater for war operations during the 1st and the …

Engineering series 2: Canal du Midi


The following text outlines a once groundbreaking civil engineering work that became wholly obsolete in the 20th century: Le canal du Midi, lying in the very south of France.

I took short glimpses at parts of this construction, whose substantial elements were built at the end of the 17th century, during a few days trip to Narbonne and a stay in Toulouse, where the river Garonne is directly jointed with the canal.

“The canal of the South” offers since that period of the early modern …