Accession No

3022

Brief Description

wind chart, by J. H. Steward Ltd., English, 1/2 20th Century

Origin

England; London; Strand

Maker

J. H. Steward Ltd.

Class

mathematics; military

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

plastic (two types of celluloid); metal

Dimensions

length 177mm; width 115mm

Special Collection

Steward collection

Provenance

Collection purchased from member of the Steward family, 1974.

Inscription

‘J.H. STEWARD LTD. LONDON’ (top)
‘Meteor
Wind Corrector’ (obverse top right)
‘Compiled by Official Range Tables “Overseas Course” 1917 Result
By Major Hatfield D.S.O.’ (reverse)

Description Notes

White celluloid rectangle with rotatable transparent celluloid wind rose. Beneath the wind rose are concentric circles representing range, marked [0] - 6000, numbered by 1000 except 1000; also lines indicating angular correction necessary and resultant range difference. Wind rose has 8 points marked by initial and degree scale divided 0 - [360˚], numbered by 10˚, subdivided to 1˚. Instructions for use at bottom.
Reverse carries range tables (table giving standard ranges and range corrections for temperature, pressure etc.; table for fuze correction, etc.)

Condition fair (warped; active (?) corrosion of metal pivot); complete.

References

Events