What is a witness mark on a clock?

What is a witness mark on a clock?

A witness mark could be a small dent, a hole that once held a screw: These are actual impressions and dent lines and discolorations left inside the clock of pieces that may have once been there. They are clues as to what was in the clockmaker’s mind when he first created the thing.

What are witness marks used for?

A witness mark is a scratch or other mark that is used to position a part in its correct location. Typically, two parts in an assembly each have their own witness mark. When these marks are lined up, it tells you that everything is in the right position.

What is a witness mark in machining?

A slight scoring, scribing of a line, or other evidence of a tool presence on a machined surface. This can happen when extracting or moving a tool from a completed machining operation or when pausing the tool during the cutting pass. A witness mark happens regularly with a boring operation.

What do you need to know about an antique clock?

When this is the case, look next to the label. The paper labels that were glued on many antique clocks are a wealth of information if they are still readable and intact. They tell you the name of the company (or clock maker) that made the clock along with the city, state, or country of origin.

Are there any trademarks on an old clock?

There are a few of the most common trademarks you may find on an old clock u. Hampel u. Pfaff READ Determine watches brand. Some clock hallmarks

What kind of plywood was used on clocks before 1905?

Plywood was not used on clocks before 1905. Savage and Polite’s Antique Clocks Identification and Price Guide is a valuable resource for identifying antique and vintage clocks. Although parts of the website are available for general viewing, many of the features of this identification and price guide do require a paid subscription.

Why do they put labels on old clocks?

For instance, an original paper label may have been taken from a clock (perhaps one in poor condition) and affixed inside another in an attempt to make the second clock seem more valuable or to lend an air of authenticity. Reproductions of old labels are also available for purchase from a number of sources.