18th century Jaw droppers - part2 - Unique Escapement!
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- Опубликовано: 26 авг 2024
- Have you ever seen a rack lever escapement?
18th century pocket watches, SUCH a beauty!
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Very exiting for us to do, no editing just live watchmaking. Anything can go wrong at any time!
Tutorial on watchmaking by watchmaker Kalle Slaap from Chronoglide Vintage Watch repair specialists near Amsterdam.
Live stream on RUclips every Tuesday 20:30 (CET/Amsterdam time)
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Love Verge watches :) All the hand work, the engraving, the reliance on the watchmaker's basic skills rather than machines. Keep up the good work, Kalle.
as always really great videos with objective narration. Thank you.
Wonderful, and very well presented, thank you. I bought some defective verge movements on ebay and took them apart, and marvel at the workmanship and ingenuity of the early watchmakers, who worked without microscopes and modern machines.
As a machinist I can say that steel is like flux to diamond. PCD which is poly crystalline diamond is used as a cutting material in machining. But if you use it on steel it will wear away very fast. CBN or cubic boron nitride works fantastic on steel and is very hard. But yeah steel is not a great combination with diamond. I can’t say for sure if it would make a difference at the low pressures in watch movements but in machining it does wear away fast.
I've always said diamond endstones are a "plus" feature on watches and much better than rubies, the proof: only high quality ones have them, and therefore (even though it's rare) they don't wear just like rubies do; causing less friction between the upper pivot and the jewel which also makes the balance wheel to swing more
So glad that you show us such fine pieces of Horology 👌❤️👍
Pallet fork is bent down because the pinion on the balance staff is worn out in the original contact point. Look closer at the escapement.
Wonderful info and content. Thanks for posting!
TIL something new, viz: Roman number 4 and why.. !😊, thank you.
Fascinating‼️®™️ ☑️☑️
German watches still sometimes have diamond balance jewels.
One can easily think the quantity of trial & error 😵💫 just in the engraved metal parts before the artisan got it right 👌❤️, simply incredible👍
Questions about capstones/bearings: If there is some concern or controversy that the carbon from otherwise very stable diamond would interact with the steel in the pivot, wouldn't this also be an issue with the less stable oil used in sapphire capstones/bearings? I am assuming that diamond capstones/bearings would have to be lubricated with oil as well, which would likely be a much bigger source of carbon? Or is enough graphite created between the steel and the diamond that makes it self lubricating? Unrelated question: Is that book you showed also available in English?
It is a beautifully made pocket watch from the late 17th century. I am surprised that it was made in a small village (Deryp or De Rijp). I suspect a pocket watch in the late 17th century is an expensive item. Wouldn't the watchmaker set up his or her business in Amsterdam or Rotterdam where there is more people who can afford a luxury like this watch?
De Rijp is a beautiful very small village in The Netherlands, but extremely wealthy in the 17th century due to whale catching in the Arctic circle.
I own over a hundred watches and I prefer vintage watches but being that it's incredibly difficult to find a good watchmaker or any watchmaker here in the United States.. as it seems to be a dying art.. I hesitate to buy any more vintage watches. However I couldn't pass up my recent purchase. I have a 1927 Hamilton grade 992 pocket watch that looks to be an excellent condition sets runs and keeps time but only has one service mark on the case back. They're also may be a problem in as much as the amplitude drops from 280 in the dial up position down to 230 independent up position. I'm fascinated by the videos of watches being serviced and repaired. I would love to have my watch done on camera and I would gladly pay whatever ask for the privilege of seeing it done. Would you ever consider taking in a watch from me. I live in New York.