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The Encyclopedia of Horology

Pocket watch · Pair cased pocket watch

English Rack Lever Pocket Watch

Partially verified

This English pocket watch, dating to 1839, features a silver pair case and is equipped with a rack lever escapement. , which utilizes a key-wind fusee mechanism. The dial is off-white enamel with black Roman numerals and gilt hands. Technical features of the movement include a Bosley-type regulator with blued steel, a diamond endstone for the balance axis, and a balance cock engraved with the word 'Patent'. The escapement incorporates a 30-tooth rack lever wheel with adjustable slides for the axes. The silver case carries the hallmark for Birmingham 1839 and an additional maker's mark 'VR'. The watch is protected by a simple gilt dust cover. Documentation of recent servicing or precise dimensions is not provided in the source record.

Front view of the silver pair-cased pocket watch showing the enamel dial with Roman numerals.
Front view of the silver pair-cased pocket watch showing the enamel dial with Roman numerals. — Zamanito. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
zamanito.com
Category
Pocket watch · Pair cased pocket watch
Maker / attribution
Unknown (VR maker's mark)
Reference
Not recorded
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
1839
Source-reported place
England

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Dial

The watch is housed in a silver pair case, a classic construction featuring an outer shell and an inner case. The silver casing is fitted with an oval-shaped pendant and a matching suspension loop. The dial consists of off-white enamel, which serves as the base for applied black Roman numerals used to mark the hours. Time is indicated through the use of gilt hands, which contrast with the light-toned enamel surface.

The source notes that the silver components bear hallmarks associated with Birmingham in 1839. A specific maker's mark, identified as 'VR', is present on the case. Prospective owners are encouraged to verify the consistency and authenticity of the hallmarking on both sections of the pair case to ensure original assembly.

Evidence for this section
  • “قاب ساعت ساختار کلاسیک دوپوسته نقره‌ای منطبق دارد که دارای علامت سازنده قاب با حروف لاتین «VR»”
  • “صفحه ساعت از لعاب سفید مایل به شیری (Off-white) ساخته شده و اعداد رومی مشکی‌رنگ برای نمایش ساعت‌ها روی آن ترسیم شده‌اند.”

Movement and Escapement

The movement is a full plate gilt design characterized by a key-wind fusee and chain mechanism. It is shielded by a plain gilt dust cover. The balance cock is notable for its intricate engravings and bears the 'Patent' inscription. The balance assembly utilizes a Bosley-type regulator crafted from blued steel and a diamond endstone on the axis of the balance wheel.

Central to the watch's function is the rack lever escapement, which features a 30-tooth wheel. The escapement design includes adjustable slides for the axes, intended to allow for precise positioning. The balance wheel itself is a simple three-armed steel configuration paired with a blue steel hairspring.

Evidence for this section
  • “موتور ساعت دارای صفحه تمام‌زراندود (Full plate gilt) با سیستم کوک کلیدی و سازوکار زنجیر و فیوزی (Fusee) است”
  • “مجهز به سازوکار چرخ‌دنگ نادر و تاریخی «Rack Lever» بوده”
  • “خروسک رقاصک به زیبایی قلم‌زنی و حکاکی شده و بر پایه آن واژه «Patent» نقش بسته است.”

Reported Condition and Documentation

According to the provided information, there is no formal record regarding the recent service history or the timekeeping accuracy of this instrument. The physical dimensions, including the diameter of the case in millimeters, are not specified within the source material.

For collectors, the documentation suggests prioritizing an examination of the fusee chain's integrity, the functional status of the 30-tooth rack lever escapement, and the condition of the enamel dial, specifically looking for potential hair-line fractures that may have developed over time.

Evidence for this section
  • “در مستندات منبع گزارشی از تاریخچه سرویس اخیر یا دقت کارکرد روزمره دستگاه ارائه نشده است.”
  • “همچنین ابعاد دقیق قاب یا قطر آن به میلی‌متر درج نگردیده است.”

Open research questions

  • What is the specific historical production record for John Laver?
  • What is the exact diameter of the case in millimeters?

Source evidence

Recorded claims and source quotations for English Rack Lever Pocket Watch
FieldSource-reported valueSource quotation
EscapementRack Lever“چرخ‌دنگ نادر و تاریخی «Rack Lever»”
Case MaterialSilver“قاب دوپوسته (Pair Case) از جنس نقره”
Hallmark LocationBirmingham“بیرمنگام ۱۸۳۹”
RegulatorBosley“رگولاتور سیستم از نوع Bosley”
Balance EndstoneDiamond“سنگ انتهای محور رقاصک از جنس الماس بوده”

Visible details

  • Case features oval-shaped silver pendant with integral suspension loop
  • Balance cock exhibits intricate floral engraving
  • Roman numerals on enamel dial remain visible

Research qualifications

  • Operational accuracy and current running condition are unverified
  • Internal component wear including fusee chain requires verification

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Silver Pair Cased Rack Lever Pocket Watch

Reviewed 2026-11-02 · Record d2b2bc4beb

Terms in this record

Glossary explanations for terms named in this object’s record.