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The Encyclopedia of Horology

Tool · Watchmaker's lathe

Derbyshire 8mm watchmaker's cone bearing lathe with accessories

Partially verified

According to the auction catalog, this lot comprises a Derbyshire 8mm cone bearing watchmaker's lathe finished in black crinkle coat. The lathe assembly is mounted onto a metal base fitted with an electric drive motor, belt connection, and an accompanying foot switch. Included tooling and accessories comprise a tailstock, flip-over tool rest, file rest, bezel chuck, two faceplates, and thirty-six split collets. Additional hand tooling documented in the lot includes an assortment of gravers and pivot files.

Derbyshire 8mm watchmaker's lathe setup with electric motor, foot pedal, and tooling accessories
Derbyshire 8mm watchmaker's lathe setup with electric motor, foot pedal, and tooling accessories — Schmitt Horan & Co.. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.invaluable.com
Category
Tool · Watchmaker's lathe
Maker / attribution
Derbyshire
Reference
Not recorded
Catalogue / lot identifier
762
Source-reported date
Not established
Country
Not established

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

Physical Description and Configuration

This unit is an 8mm cone bearing watchmaker's lathe with a black crinkle-coat finish. The lathe assembly is mounted to a metal base.

The system is equipped with an electric motor and a foot switch. A drive belt connects the electric motor pulley to the headstock multi-step pulley.

Evidence for this section
  • “8mm cone bearing lathe with a black crinkle-coat finish.”
  • “Lathe comes mounted to metal base with motor and foot switch.”
  • “Drive belt links the electric motor pulley to the headstock multi-step pulley.”

Included Accessories

The lot includes a tailstock, a flip-over tool rest, a file rest, two faceplates, and a bezel chuck.

Also provided are thirty-six split collets and an assortment of gravers and pivot files.

Evidence for this section
  • “flip-over tool rest, tailstock, 36 split collets, two faceplates, a bezel chuck, file rest”
  • “an assortment of gravers and pivot files.”

Condition Reporting

The source describes the lot in 'overall good condition' with 'some light rust on exposed steel surfaces.'

The item was sold 'as-is' and without guarantees. The auction documentation states that maintenance, including cleaning and service, is often required for such items after purchase.

Evidence for this section
  • “overall good condition. Some light rust on exposed steel surfaces. Sold "as-is".”
  • “Most clocks and watches will require cleaning and service after purchase.”

Open research questions

  • What is the specific age or manufacturing origin of this Derbyshire lathe?
  • Is the motor assembly considered original to the lathe unit or an aftermarket addition?
  • Are all thirty-six included collets verified as matching the 8mm spindle size?

Source evidence

Recorded claims and source quotations for Derbyshire 8mm watchmaker's cone bearing lathe with accessories
FieldSource-reported valueSource quotation
Lathe type8mm cone bearing lathe“8mm cone bearing lathe with a black crinkle-coat finish.”
MountingMounted to metal base with motor and foot switch“Lathe comes mounted to metal base with motor and foot switch.”
Included lathe attachmentsFlip-over tool rest, tailstock, two faceplates, bezel chuck, file rest“flip-over tool rest, tailstock, 36 split collets, two faceplates, a bezel chuck, file rest”
Hand toolsAssortment of gravers and pivot files“an assortment of gravers and pivot files.”
Auction ReferenceLot 762“Lot 762 : Tools- Derbyshire watchmaker's lathe with accessories”
Auction DateOctober 22, 2017“October 22, 2017”

Visible details

  • Lathe bed, headstock, tailstock, and electric motor mounted on a raised rectangular metal baseboard.
  • Drive belt links the electric motor pulley to the headstock multi-step pulley.
  • Separate accessories include faceplates, a bezel chuck, assorted collets in a fitted holder box, and hand-held gravers and files.

Research qualifications

  • Source reports condition as 'overall good condition' with 'some light rust on exposed steel surfaces', sold 'as-is'.

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

Terms in this record

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