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Abrasion is the process of wearing down or rubbing away by means of friction.
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Score
4.5/5
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1
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Ratings
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243
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Views
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0
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Related
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0
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Comments
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1
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Revisions
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Status:
Ready
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Abrasion is caused by handling, slight wear, poor care or cleaning.
Collectors need to become educated as to care of their properties by experts in the field.
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Score
4.7/5
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2
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Ratings
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1747
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Views
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0
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Related
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2
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Comments
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6
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Revisions
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Status:
Ready
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Last Updated By:
Jon Hanson
On:
Sep 23, 2010 5:03 PM
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A promoter instrumental in organizing the Elgin, Illinois, Cornell, and Peoria Watch Companies, and the Adams & Perry Manufacturing Company. He invented and patented the “Adams System” of time records in use on most of the railroads in the West. He last appeared in prominent connection with the watch and clock business as the organizer of the Swiss horological exhibit at the World’s Columbian Exposition.
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Score
0/5
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0
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Ratings
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191
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Views
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0
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Related
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0
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Comments
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1
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Revisions
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Tips of the teeth of a wheel beyond the pitch circle. Sometimes of circular outline; sometimes ogive—that is, of a shape patterned after the pointed arch. The addendum is also known as the "face" of the
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Score
0/5
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0
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Ratings
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232
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Views
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0
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Related
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0
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Comments
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5
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Revisions
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Status:
Ready
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The manipulation of the balance with its spring and staff to secure the most accurate time-keeping possible. Three adjustments are usually made, viz.: for isochronism, temperature and position. Much of
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Score
0/5
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0
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Ratings
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240
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Views
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0
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Related
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0
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Comments
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3
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Revisions
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Status:
Ready
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Strictly speaking this would cover all
adjustment; but it is technically understood to mean an adjustment of the
balance spring so that the time of vibration through the long and short arcs of
the balance
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Score
0/5
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0
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Ratings
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304
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Views
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0
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Related
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0
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Comments
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2
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Revisions
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Status:
Ready
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Score
0/5
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0
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Ratings
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228
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Views
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0
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Related
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0
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Comments
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1
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Revisions
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Score
0/5
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0
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Ratings
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220
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Views
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0
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Related
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0
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Comments
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1
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Revisions
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Score
0/5
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0
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Ratings
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218
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Views
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0
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Related
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0
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Comments
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1
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Revisions
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Score
0/5
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0
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Ratings
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210
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Views
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0
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Related
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0
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Comments
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3
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Revisions
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Last Updated By:
Jon Hanson
On:
Oct 7, 2009 1:22 AM
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Score
0/5
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0
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Ratings
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218
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Views
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0
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Related
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0
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Comments
|
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1
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Revisions
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|
|
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Score
0/5
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0
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Ratings
|
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236
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Views
|
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0
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Related
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0
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Comments
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1
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Revisions
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The axle or axis on which a wheel of a watch or clock turns. Also applied to a spindle used by watchmakers. Or, the arbor which holds a pocket watch mainspring, e.g., mainspring arbor.
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Score
0/5
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0
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Ratings
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245
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Views
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0
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Related
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0
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Comments
|
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4
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Revisions
|
|
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Status:
Ready
|
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|
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Score
0/5
|
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0
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Ratings
|
|
203
|
Views
|
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0
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Related
|
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0
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Comments
|
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0
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Revisions
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Score
0/5
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0
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Ratings
|
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227
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Views
|
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0
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Related
|
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0
|
Comments
|
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1
|
Revisions
|
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|
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|
|
|
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Score
0/5
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0
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Ratings
|
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188
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Views
|
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0
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Related
|
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0
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Comments
|
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1
|
Revisions
|
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|
|
|
|
|
|
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Score
0/5
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0
|
Ratings
|
|
197
|
Views
|
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0
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Related
|
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0
|
Comments
|
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1
|
Revisions
|
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|
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|
|
|
|
|
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Score
0/5
|
|
0
|
Ratings
|
|
237
|
Views
|
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0
|
Related
|
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0
|
Comments
|
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1
|
Revisions
|
|
|
|
|
|
|
|
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Score
0/5
|
|
0
|
Ratings
|
|
180
|
Views
|
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0
|
Related
|
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0
|
Comments
|
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1
|
Revisions
|
|
|
|
|
|
|
|
|
|
Score
0/5
|
|
0
|
Ratings
|
|
196
|
Views
|
|
0
|
Related
|
|
0
|
Comments
|
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2
|
Revisions
|
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