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1949 Calendar Watches by B. Humbert Vintage 1949 Swiss Article Horology Horlogerie
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Please note: this article is part of a series of articles. Contained in this article is Part I and the beginning of Part II. Other parts to the series are not included.
"Calendar Watches" (Part I and the first section of Part II) by B. Humbert - Original magazine article (magazine clipping) which was removed from a 1949 Swiss magazine.
Text in the article is in English.
Please note: this article is part of a series of articles. Contained in this article is Part I and the beginning of Part II. Other parts to the series are not included.
The following summary is given for the available sections of the article:
Part I:
* Definition
* Invention of the calendar watch
* A few terms
* Evolution of calendar watches
* A few famous watches
* Modern calendar watches
Part II:
* The Simple Calendar
* Description
* Conditions for correct operation
* setting levers or push-pieces
* time of movement of star-wheels
* agreement with time of day hands
* the danger of moving calendar hands or discs when the watch shows time near midnight
* devices to protect against such treatment
* instantaneously changing calendars
The magazine article was carefully removed from a Swiss magazine.
[Please note: this is a magazine article/magazine clipping only; no watch, clock, parts or tools are included.]
The article is 19 pages in length (on 10 sheets of paper) and includes a number of diagrams within the text.
As with most vintage magazine clippings, there is some yellowing to the paper due to age as well as light wear and small bends.
The magazine article was carefully removed directly from a Swiss magazine. It is not a copy or reproduction. The rest of the magazine is not included.
[Please note: this is a magazine article/magazine clipping only; no watch, clock, parts or tools are included.]
Please note: this article is part of a series of articles. Contained in this article is Part I and the beginning of Part II. Other parts to the series are not included.
[inv. EngE-SO-9/10-49]
"Calendar Watches" (Part I and the first section of Part II) by B. Humbert - Original magazine article (magazine clipping) which was removed from a 1949 Swiss magazine.
Text in the article is in English.
Please note: this article is part of a series of articles. Contained in this article is Part I and the beginning of Part II. Other parts to the series are not included.
The following summary is given for the available sections of the article:
Part I:
* Definition
* Invention of the calendar watch
* A few terms
* Evolution of calendar watches
* A few famous watches
* Modern calendar watches
Part II:
* The Simple Calendar
* Description
* Conditions for correct operation
* setting levers or push-pieces
* time of movement of star-wheels
* agreement with time of day hands
* the danger of moving calendar hands or discs when the watch shows time near midnight
* devices to protect against such treatment
* instantaneously changing calendars
The magazine article was carefully removed from a Swiss magazine.
[Please note: this is a magazine article/magazine clipping only; no watch, clock, parts or tools are included.]
The article is 19 pages in length (on 10 sheets of paper) and includes a number of diagrams within the text.
As with most vintage magazine clippings, there is some yellowing to the paper due to age as well as light wear and small bends.
The magazine article was carefully removed directly from a Swiss magazine. It is not a copy or reproduction. The rest of the magazine is not included.
[Please note: this is a magazine article/magazine clipping only; no watch, clock, parts or tools are included.]
Please note: this article is part of a series of articles. Contained in this article is Part I and the beginning of Part II. Other parts to the series are not included.
[inv. EngE-SO-9/10-49]
