Set of measuring instruments comprising : - 1 brass surveyor's pantometer with three windows and 360° graduation. In its original wooden case. Height: 16.5 cm. Circa 1900 - 1 level ruler from La Maison Richer in Paris. Length: 22 cm - 1 surveyor's pantometer from H.Morin, 11 rue Dulong in Paris, with three windows, 360° graduation, silver-plated metal. Height: 17 cm. In original case with original label - 1 hexagonal brass pantometer. In original box. Height: 7.5 cm Worn