The maker of the movement is HAU or HAC. The familiar cross arrows trademark of the maker is stamped on the movement, in the middle of the backplate. HAC was formed in Germany in 1873 by Paul Landenberger and Phillipp Lang and was originally called Landenberger & Lang Uhrenfabrik. The company changed its name to … More Troubleshooting A Strike Issue on a HAC/HAU Movement
As we enter a new year it is time to look back on the adventures and milestones I’ve experienced in the world of antique and vintage clock collecting and repair in the past year. 2024 has been one of discovery, growth, and deepening appreciation for the art of horology. Over the past year, I have … More Reflections on a Year of Clock Collecting and Less Time Repairing
I am currently working on a mantel clock from the Hamburg American Clock Company. This is Part II in a two-part series. For Part I go here. The Hamburg American Clock Company is otherwise known as Hamburg Amerikanische Uhrenfabrik or HAU and in many parts of the world, it is simply known as HAC. In … More Hamburg Amerikanische Uhrenfabrik | Servicing an 8-day Countwheel Strike Movement – Part II
Among clock collectors and admirers, the Hamburg American Clock Company is a well-known German company. It is otherwise known as Hamburg Amerikanische Uhrenfabrik or HAU and in many parts of the world, it is simply known as HAC. About the Company The company was formed in Germany in 1873 by Paul Landenberger and Phillipp Lang. … More Hamburg Amerikanische Uhrenfabrik | Servicing an 8-day Countwheel Strike Movement – Part I
This article traces the historical journey of a significant German clock manufacturer, ultimately absorbed by the Junghans Clock and Watch Company in the late 1920s. After providing a brief overview of its history, the article will delve into the specifics of the clock movement that is next on my workbench. Among clock collectors and admirers, … More Hamburg Amerikanische Uhrenfabrik: The Clock Company with an Alias
Among clock collectors and admirers, the Hamburg American Clock Company is a well-known German company. It is otherwise known as Hamburg Amerikanische Uhrenfabrik or HAU and in many parts of the world, it is simply known as HAC. In this post, I will outline the procedures involved in servicing the movement of a HAC mantel … More Servicing a HAC Clock Movement
For 27 years, a piano made in Montreal, Canada in 1911 occupied a silent corner of our living room, a relic of bygone days. Years ago we inherited the piano when my wife’s parents downsized from their larger home to a smaller one. They did not want it then and we do not want it … More A Practical Journey with an Unwanted Upright Piano
I knew when I first laid eyes on the clock that it was missing something, the crown. It’s too bad because it is very attractive Hamburg American Company or HAC 8-day time and strike mantel or parlour clock. The little plaque on the base references 1926 the year it was presented to a pastor in … More HAC mantel clock – it came without a crown – FIXED
Honestly, an entire book could be devoted to the topic of dating clocks. Some time ago, I published an article titled “How to Date an Antique or Vintage Clock – Part I,” in which I used specific examples from my own collection. I’d like to explore this topic further, and this post will discuss additional … More Dating an Antique or Vintage Clock – Part II
The time has come to determine the best clock acquisition of the past year. As a clock hobbyist, I have had little difficulty locating interesting clocks over the years, and despite the seemingly never-ending pandemic, I have scored a few in 2021 though the past year has been leaner than most. In the early days … More Best clock acquisition of 2021
Servicing the movement is complete. Next is the case. For those unfamiliar with the HAC acronym, it stands for Hamburg American Clock Company, a well-known German company that was acquired by Junghans in the late 1920s. I have a number of German clocks including Junghans, Mauthe, Hermle, Jauch, Gufa, and Gustav Becker but this is … More HAC mantel clock – refreshing the case
The arrangement of the gears should be familiar to anyone working on German clocks made in the first quarter of the twentieth century Bought on an online estate auction site earlier this year, servicing the movement is the subject of this post. Once the movement is serviced, the next step is to address dirt and … More HAC/HAU movement servicing
My wife’s aunt lives in a quaint home near a small town in the south of Ireland. During our recent visit to Ireland we were invited to her home, had tea and cake and had a long talk about family history. While there I was asked to take a look at the family clock which … More Aunt Theresa’s mantel clock
Antique and Vintage Mechanical Clocks 
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