United Kingdom - Compass - 1920-1930 - Prismatic compass

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Stanley London brass military prismatic compass from the WWI era, serial SL No. 1819, octagonal case, 800 g, 7 × 3.5 × 9 cm, in very good condition with authentic patina, original sighting mirror, no certificate.

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Description from the seller

Stanley London – British Military Prism Compass – WW1 / Inter-war
Rare brass military navigation instrument, stamped Stanley London on the compass rose. Serial number engraved on the back: SL. No. 1819.

— MANUFACTURER —
W.F. Stanley of London is one of the great historical British manufacturers of scientific and military instruments, official supplier to the British army since the 19th century. Its prism compasses equipped officers during the Boer War, World War I and World War II.

— DESCRIPTION —
• Type: Verner’s Pattern prism compass
• Material: Solid brass
• Signature: “Stanley London” engraved on the compass rose
• Serial number: SL. No. 1819
• Brass gilded compass rose graduated 0-360°
• Bipolar needle with red North marker
• Integrated clinometer (bubble level)
• Articulated brass sighting rule
• Original sighting mirror in the lid
• Octagonal solid brass case, period-locking clasp
• Screwed base with needle-locking mechanism

— CONDITION —
Very good overall condition for a piece of this age. Authentic natural patina typical of the period on all brass — no abrasive intervention. Active and functional needle. Complete and intact mechanisms.

— DATING —
The serial number and case construction are consistent with manufacture between 1914 and 1930. Real military-use piece, not a reproduction.
Rare item for collectors of British militaria, antique scientific instruments, or World War I memorabilia.
Careful, insured shipping.

Stanley London – British Military Prism Compass – WW1 / Inter-war
Rare brass military navigation instrument, stamped Stanley London on the compass rose. Serial number engraved on the back: SL. No. 1819.

— MANUFACTURER —
W.F. Stanley of London is one of the great historical British manufacturers of scientific and military instruments, official supplier to the British army since the 19th century. Its prism compasses equipped officers during the Boer War, World War I and World War II.

— DESCRIPTION —
• Type: Verner’s Pattern prism compass
• Material: Solid brass
• Signature: “Stanley London” engraved on the compass rose
• Serial number: SL. No. 1819
• Brass gilded compass rose graduated 0-360°
• Bipolar needle with red North marker
• Integrated clinometer (bubble level)
• Articulated brass sighting rule
• Original sighting mirror in the lid
• Octagonal solid brass case, period-locking clasp
• Screwed base with needle-locking mechanism

— CONDITION —
Very good overall condition for a piece of this age. Authentic natural patina typical of the period on all brass — no abrasive intervention. Active and functional needle. Complete and intact mechanisms.

— DATING —
The serial number and case construction are consistent with manufacture between 1914 and 1930. Real military-use piece, not a reproduction.
Rare item for collectors of British militaria, antique scientific instruments, or World War I memorabilia.
Careful, insured shipping.

Details

Era
1900-2000
Manufacturer/brand
stanley london
Title additional information
Prismatic compass
Number of objects
1
Country of origin
United Kingdom
Material
Brass
Style
Vintage
Condition
Good condition - used with small signs of aging & blemishes
Height
3.5 cm
Width
7 cm
Depth
9 cm
Military Context
Yes
Weight
800 g
Estimated period
1920-1930
Authenticity
Original/official
Comes with certificate of authenticity
No
FranceVerified
110
Objects sold
Private

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