Chesterman Sheffield England 33in Architects Leather cased tape

Chesterman, Sheffield, England 33in Architects Tape. Brown leather. Size: diameter 90cm x 20cm. Brass winder and Tape end. 
 
Chesterman was a British brand known for producing measuring tapes and other measuring instruments. This piece is likely a vintage measuring tool that was used by architects, engineers, or craftsmen. Here are some details you might find interesting:
Brand - Chesterman:
Chesterman was a reputable British manufacturer of measuring instruments, including tapes and rules. The company was based in Sheffield, a city known for its historical significance in the steel and cutlery industry.
Architects Tape:
An architects tape is typically a long measuring tape used for precise measurements in architectural and construction work. The 33-inch length might be suitable for tasks that require a bit more precision than longer tapes. 
Material - Brown Leather Case:
The brown leather case adds a touch of craftsmanship and protection for the tape. Leather cases were common for measuring instruments of the past, providing durability and a classic appearance.
Sheffield, England:
Sheffield has a strong tradition in the production of steel and metal products. The city was home to numerous manufacturers, including those specializing in precision instruments. Knowing the origin adds to the historical context of the tool.
Steel Tape:
The measuring tape itself is likely made of steel. Steel tapes are known for their durability and accuracy. The markings on the tape would be calibrated for accurate measurements. The Chesterman metallic tape may have been made with very fine brass wire woven through the tape to create a tape which prevented stretching.This design eliminated the risk of rust to the tape which the alternative steel tapes were susceptible to and helped in eliminating the risk of stretching which the alternative linen tapes were susceptible to.
Vintage or Antique:
Depending on the specific era when this tape was produced, it might be considered vintage or antique. 
Collectibility:
Vintage measuring instruments, especially those from reputable brands like Chesterman, are often sought after by collectors. The combination of functionality, craftsmanship, and historical value contributes to their appeal.