Set of four antique rules. England, 19th century.

Set of four antique rules. England, 19th century.
One parallel ruler, one brass ruler, two folding rulers.
In wood and brass.
Exhibits wear consistent with age and use.
Measurements: 1 x 13 x 2 cm (the largest).

Set of four antique measuring instruments for technical drawing, reflecting craftsmanship and precision: a ruler for making parallels in dark wood, a slide rule or scale of proportions with a metal rotating or sliding arm, two folding rulers in wood (probably maple or boxwood) with brass hinged joints.