General Information

Serial #

214

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

PRIMARILY BRASS, AND OTHER METALS; GLASS OPTICS; CW LEATHER CASE

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

20.0 cm

Width

23.0 cm

Height

31.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Exploration and Survey

Category

Photogrammetry

Sub-Category

N/A

Manufacturer

AKA

DS&S

Country

United Kingdom

State/Province

Unknown

City

Unknown

Context

Country

Worldwide

State/Province

Unknown

Period

THIS TYPE OF SIGHT USED C. 1939+

Canada

THIS TYPE OF SIGHT USED BY COMMONWEALTH ARTILLERY FORCES, INCLUDING THE ROYAL CANADIAN ARTILLERY, DURING AND AFTER WW II. (REF. 2) IT MAY HAVE BEEN MODIFIED FOR USE/'RE-CYCLED' AND USED BYEMR/SURVEYS BRANCH.

Function

DESIGNED TO BE USED TO SET THE BEARING OR LINE OF A 25-POUNDER GUN-HOWITZER. MAY HAVE BEEN USED AS A SIGHT FOR VARIETY OF EQ.

Technical

PART OF SIGHTING SYSTEM OF THE 25 POUNDER GUN-HOWITZER USED BY COMMONWEALTH ARTILLERIES. THE OVERALL SIGHTING SYSTEM WAS KNOWN AS A "RECIPROCATING, COMPENSATING, ROCKING BAR SIGHT", AND CONSISTED OF THE DIAL SIGHT, A RANGE DRUM AND A CLINOMETER. THE SIGHTING SYSTEM WAS OPERATED BY ONE GUNNER, WHO ALSO FIRED THE GUN. (REF.2

Area Notes

Unknown

Details

Markings

PLATE ON DIAL FRONT READS: 'SIGHT DIAL NO.10 MK.II/ D.S.&S./ No. 214 1941'. HORIZONTAL CIRCLE DIVIDED 0-360 BY SINGLE DEGREES; MOVING DIAL BELOW GRADUATED 90-0-270 BY SINGLE DEGREES, AND MAY BE LOCKED AT DESIRED SETTING BY SCREW. ADJUSTMENT DIALS ON EITHER SIDE OF CIRCLE GRADUATED 0-40-20-0: DIALS MOVE IN TANDEM, BUT MEASUREMENTS ARE NOT IDENTICAL/ PAPER LABEL MOUNTED INSIDE CASE READS: '[___]A/ SIGHT, DIAL, No.10, MK.II/ CAUTION/ UNDER NO CIRCUMSTANCES/ MUST THE INSTRUMENT BE/ STORED [O]R TRANSPORTED/ OUT OF ITS CASE, EXCEPT/ WHERE OTHERWISE STATED/ [_____]TILLER [___]DRILLS.'/ STAMPED ON CASE FRONT: '25/ [UP ARROW SYMBOL]' 'S.L.1942/ 057100'.

Missing

APPEARS TO BE COMPLETE. From CA of 12/07/2001 by David Daley: No - Complete

Finish

BLACK WRINKLE FINISH ON MOST AREAS; ADJUSTABLE DIAL AND DIVIDED SCALE TO RIGHT OF CIRCLE HAVE BRIGHT LACQUERED FINISH. DARK BROWN LEATHER CASE MARKED PT.

Decoration

N/A