Figure 54. Pellet burette - this instrument was produced by the French chemist Henri Pellet. It uses the same principle as that of the Richter or Schmidt burette. It has an automatic zero level, in which the reactive reservoir is pressurized by a rubber bulb.

Image ID: ship4429, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

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