Precise levelling staff by Cooke, Troughton & Simms Ltd, York, England, as new condition, c. 1975 Levelling Staff, British, 1971-1980 1971-1980
Two-stage expansion launch engines with cylinders 5 1/2" x 8" diam x 5 1/2" stroke, on wood blocks, by W. Sisson and Co. Limited, Gloucester, Gloucestershire, England, 1907-1908 Two-stage expansion launch engines with cylinders stroke 1907-1908
Two-stage expansion launch engine with cylinders 5 1/2" x 8" diam x 5 1/2" stroke, on wood blocks, by W. Sisson and Co. Limited, Gloucester, Gloucestershire, England, 1907-1908 Two-stage expansion launch engine with cylinders 5 1/2" x 8" diam x 5 1/2" stroke 1907-1908