E6B Analog Flight Computer

Made by Dalton / U.S. Army Air Forces1944Virginia, United States

An aluminum E6B circular slide rule issued to USAAF aircrew for dead-reckoning navigation — wind correction, fuel burn, ground speed. Every wartime navigator carried one; this example bears its owner's initials and two squadron markings.

Provenance

1944

Issued to USAAF aircrew

attributed

1979

Found in a Virginia estate

owner supplied

2008

Acquired by current collector

documented

2026

Digitally preserved in Relic

confirmed

Current Custodian

The Hartwell Collection

New England, United States

Request Research Access

Access Matrix

Digital viewingpublic
Additional photographsby request
Remote video inspectionavailable
Research visitowner approval
Temporary research loancase by_case
Museum exhibition loanavailable
Scientific samplingnot permitted
Commercial licensingcontact owner

Record Metadata

CategoryMilitary History

MaterialsAnodized aluminum, engraved scales

Dimensions15 cm diameter

ConditionVery good; bezel rotates smoothly

Digital Record

24 high-res images (8,192 × 6,144)

3D Mesh / Photogrammetry

Precise digital measurements

Doc. Score: 57/100Scanned 8/30/2026

Cite this object

Relic Archive. (1944). E6B Analog Flight Computer [Object record]. Relic Object RL-1944-000618.