Details
A Second World War period meteorological pattern balloon theodolite,
by E.R. Watts & Son, London, No. 27971, with vertical and horizontal adjustment, electrical attachment, the telescope with dust cap, contained in the original mahogany carrying case -- 12in. (30.5cm.) wide, and the associated adjustable brass and mahogany tripod
See Illustration
by E.R. Watts & Son, London, No. 27971, with vertical and horizontal adjustment, electrical attachment, the telescope with dust cap, contained in the original mahogany carrying case -- 12in. (30.5cm.) wide, and the associated adjustable brass and mahogany tripod
See Illustration