Antique Robert Nicholl London Scale Rule Set 8 Rules in Flame Mahogany Box

A superb example of early 20th-century British craftsmanship, this Robert Nicholl scale rule set is housed in a finely dovetailed flame mahogany presentation box. The interior lid is velvet-lined and marked Robert Nicholl, 183 High Holborn, London, with a royal coat of arms.

Details:

• Contents: Set of 8 wooden scale rules

• Material: Likely boxwood with engraved and ink-filled scales

• Box Maker: Robert Nicholl, London

• Era: Estimated early 1900s

• Box Dimensions:
  Length: 34.3cm
  Width: 6.3cm
  Height: 4.5cm

Features:

• Original brass clasp and lock plate

• Velvet-lined lid interior

• High-quality joinery with dovetail joints

• Scale rules fit precisely in recessed compartments

Condition Notes:

• Light wear consistent with age

• All 8 rules appear intact with clearly legible markings

• Some surface patina and minor scuffs on box, adding vintage character

• Hinges secure and functional

A collectors gem and an elegant historical piece for display or practical use by architects, engineers, or antique instrument enthusiasts.