A.G. THORNTON, CAPT FIELD'S IMPROVED PARALLEL RULER, AND A BOXED CHART RULER BY W.H. HARLING LTD.

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2627773. A.G. THORNTON, CAPT FIELD'S IMPROVED PARALLEL RULER, AND A BOXED CHART RULER BY W.H. HARLING LTD.

Parallel ruler in boxwood and brass. 31cm wide.
Chart ruler 38cm wide, the box 40cm x 9cm.
(2).

In used condition.
Numerous scratches and marks throughout.
Metal elements dulled.
Both with name inscriptions.

2627773. A.G. THORNTON, CAPT FIELD'S IMPROVED PARALLEL RULER, AND A BOXED CHART RULER BY W.H. HARLING LTD.

Parallel ruler in boxwood and brass. 31cm wide.
Chart ruler 38cm wide, the box 40cm x 9cm.
(2).

In used condition.
Numerous scratches and marks throughout.
Metal elements dulled.
Both with name inscriptions.