Experiments and tests on individual thermometers for the Standards Commission. The volume includes calculations on the graduations of thermometer, means of determining error, boiling and freezing points of thermometers, errors of sub-divisions on thermometers, conversions into fahrenheit, comparisons with barometers, and a table of equivalents for thermometers, all by R. Sheepshanks. There are also some comparisons by J. Glaisher.