Brass Slip bottle, sea water sampler, Milne type, from HMS Challenger, 1872. Slip Water Bottle Sampler from HMS Challenger, 1872 1872
Reconstruction of water sampler for collecting seawater samples, from a design by Robert Hooke about 1665, made by the Science Museum, London, UK 1977. Reconstruction of Robert Hooke's seawater sampler 1977