Image
Category
Collection
Maker
On Display
Object type
Place
Material
Date

Wooden rule of trigonometric functions

Wooden foot rule, farmers staff

Section line ruler

Mapmaker's quadrilateral rule

Foot rule (folding to 3") with sliding brass calliper

circa 1827

Folding printers' rule in ivory by Miller and Richard

Boxwood rule by W.F. Stanley

Metal Rule

One 2 ft. Patternmaker's rule 1867

1867

4 ft. coachmaker's rule

Ivory rule

Boxwood Everard rule signed B. Martin

6" and a 12" No 350 stainless steel rule

Boxwood rule

Currency conversion rule for France, Spain, Portugal and Italy

Two Wooden rules showing girth

Currency conversion rule inscribed "All Germany and Switzerland"

Conversion rule for Amsterdam currency to others

Conversion rule for shilling per quarter and foreign prices

Parallel rule on brass mounts

Near-point rule

Brass rule used in making planispheres and maps

1808

Two double sided inscribed rules

1815

Metal Rule

One wooden Rule with an integral Spirit Level.

Boxwood rule, with integral bass encased spirit level

6" bellmetal rule engraved "Joseph Whitworth, Manchester, standard at 62 degree fahrenheit," part graduated to 64ths, c 1850

6" bellmetal rule engraved "Joseph Whitworth

1850

Half-metre rule

Half-metre rule

1900-1983

Half-metre rule

Half-metre rule

1900-1983

Atmospheric Diffusion slide rule in case, described by C.E. Wallington, MSc., in Met O Scientific Paper No 24, Met O 774, and inscribed metal ‘tag’, British, 1966

Atmospheric Diffusion slide rule in case, Met O Scientific Paper No 24, Met O 774 and inscribed 'tag'

One two fold rule 2 ft., Cat.No. 1192 1/2; one 2" four fold rule, Cat.No. 1196

One two fold rule 2 ft

Half-metre rule

Half-metre rule

1900-1983

A 9" Combination set of ,square, level protractor and rule made by Brown and Sharpe.

A 9" Combination set of ,square, level protractor and rule