Thanks all !

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Hello Oh, thanks - the whole book.
Telling us how many pages will help establish that the book is in your possession and will give you some credibility as a new member. If it’s 30 pages… show us page 25. If it’s 100 pages, show us page 95. It looks like a nice book and you may get maximum cash for it on E Bay.
 
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The thing with printed trade ephemera is there is often more than one copy.

So values can vary. I collected a lot of this sort of material. Now much of it has been scanned an made available online. Not that anyone can find it. Google and others have gone through such collections digitizing such material as food for the AI mill. Rare information from 30 years ago is now a few clicks away. And I can run the Greek and Latin text through google translate.

I was able to visit the British museum back in the late 1990s and see much of their reference library. It was not unlike the one I had set up for myself. At the time I was helping the main horological reprint publisher (Scanlon books.) who was reprinting such works. Such things are reference books. I noticed some of my ephemera was a little less worn than the one on the museum shelf. Loren Scanlon also sold or sometimes gave me every new book published. I was also able to purchase some second hand text books when visiting the WOSTEP library.

The main reason back in the pre internet day was using such ephemera to identify 'barn finds.' So that when one did go to the estate sale flea market or NAWCC mart picked over dump pile, something of value could be recognized. Such also takes up space to store. ( I think my ephemera collection is about 7 or 8 meters of shelf space and occupies 1/4 of my bedroom.)

Now with 7 or 8 million items a click away from purchase on eBay or charity shop auction sites there is not as much chance of finding that nice hidden item. Apart from physically driving or walking to estate and charity sales sifting through hundreds of items. And more often than not the sellers can check things online too.

Museums hate donations. Most have way more than they can show. Still if they want something and their are hints a collector may have it, the museum is quick to let their interest be known.

Ironically it was a book similar to the one you have that started me down the path collecting omega watches. Such watches were being ignored 30 years ago in the late 1980s when everything was quartz and mechanical watches obsolete junk.
 
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A nice book, interesting for those who collect early Omega watches (like me! 😀) or a watchmaker who needs some specs for parts. It is not uncommon and therefore, the selling price remains low.

254 pages. Please note that there are no pictures of watches, cases or dials, just a list with drawing of some calibers, all parts of all movements produced up to 1926 with their price and size, and one page with some hands, two with some pocket watch bows and two with crowns.
99% of the pages look like this :
23112802554019182118310468.jpg
 
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They sure knew how to lay things out well back then. With engraved block cuts well drawn and clear. Actually have some cuts for some Winchester products. No watches as I recall. Dolls tea set, paint, flashlight, and Movie listings and of course 'Rifles for boys.' Interesting enough the movie listings from the 1920s are in the IMDB. Once thought lost they may even exist in the archives. Not that any one would stream them.

A curious process to produce such graphics. How the metals are electro-plated onto the 'matrix' using conductive inks. The blocks are mixed with furniture, and cold metal type to create the pages. Automating these tables of numbers were what lead (pun intended) to the creation of computers and printers. Miniaturizing the etching and plating process to create computer chips. Some of this could be automated. I have a numbering machine. These can fit into the printing chase and advance every time the platen closed. Mine though is a hand operator. Cheaper versions used rubber belts and do not advance automatically.

I wonder if the raised hour markers, which are also referred to as 'furniture' get their name from the printing process.

Sometime I should see I I can track down an escape wheel for one of my old Omega pocket watch parts jumbles.