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LOT #54266 |

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C.H. Brigden Rare 18 Size Prototype With Constant Force Escapement, circa 1918. ...

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$3,250 on November 4, 2018

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Description

C.H. Brigden Rare 18 Size Prototype With Constant Force Escapement, circa 1918
Case: 57 mm, gilt metal, display case, 18 size
Dial: enamel, Roman numerals, black minute track, subsidiary seconds, blued steel spade hands
Movement: gilt, constant force escapement, full jeweled, plates adapted from an 18 size Elgin, bi-metallic compensated balance, main bridge signed C.H. Brigden 1918, stem winding and setting

Note: Charles H. Brigden of Waltham Mass. applied for a patent filed in 1921 that states, in part - "This invention relates to clock escapements more particularly designed for timepieces in which extreme accuracy is desired. In such escapements it is desirable to eliminate all parts subject to friction, since friction is a factor subject to wide fluctuations from time to time due to varying lubrication and surface conditions of the contacting parts. This invention provides a construction wherein the usual crutch and pallet bearings are entirely eliminated so that friction is greatly reduced and in its preferred forms requires no lubrication between the pallet and escape teeth".

Provenance: This lot was in the Time Museum as inventory No. 1062. It sold for $9000 in October 2004 at the "Masterpieces From The Time Museum" auction.

Condition Report*: Type: C.H. Brigden Rare 18 Size Prototype With Constant Force Escapement
Dial: enamel, Roman numerals
Hands; spade hands
Metal: gilt silverode
Case Info: display case
Case Width: 18 size, 57 mm
Crystal: glass
Watch Movement: gilt, constant force escapement, full jeweled, plates adapted from an 18 size Elgin
Circa: 1918
Condition: movement is good and running, case is good, dial with some hairlines

*Heritage Auctions strongly encourages in-person inspection of items by the bidder. Statements by Heritage regarding the condition of objects are for guidance only and should not be relied upon as statements of fact, and do not constitute a representation, warranty, or assumption of liability by Heritage. All lots offered are sold "AS IS".

Auction Info

Auction Dates

October, 2017

24th Tuesday

Bids + Registered Phone Bidders: 5

Lot Tracking Activity: N/A

Page Views: 531

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