Both a retail store and scientific and natural history museum specialising in medical and scientific instruments, natural history specimens and models. The website posts a news page every month.

A resource site for the antique weights formerly used by apothecaries, chemists, druggists and pharmacists. Most British weights of the 19th and 20th centuries illustrated and described. A forum for exchange of information and discussion

Sells a full range of scientific instruments, including globes and planetaria, mineralogical apparatus, microscopes and accessories, calculating apparatus, and physics demonstration apparatus.

Buying, selling, repair, and restoration of antique mercurial and aneroid barometers, clocks and watches. Also restore other types of antiques. Includes examples of stock. Located in Leominster, England.

Austrian dealer of antique medical and scientific instruments including globes.

Includes selection of old anaesthetic equipment which offers an insight into the evolution of the specialty of anaesthesia over the past century.

Complete articles are posted from the journal, American Artifacts, on early microscope makers, hand corn shellers, early surveying instruments, a variety of quack medical devices, as well as information on early patents.

Collector selling collection of antique and nearly antique scientific instruments.

A collection of all types of historical scales and weights from different periods of the past 3000 years.

English seller and repairer consistent with the original specifications of the device.