A Canadian specialist in antique scientific and medical instruments since 1984.

Images of medicine-makers advertising cards.

A collection of antique tickertape machines which details the histors of Wall Street and the stock market.

Eye antiques display items from the ophthalmic past including glasses spectacles, ophthalmoscopes, microscopes, and eye exam items.

Photos and descriptions of radiation-related items from the past, including dosimeters, electroscopes, ionization chambers, radioactive sources, safety posters, quack cures, geiger-mueller counters, fluoroscopes used to fit shoes, and x-ray apparatus.

Online exhibit of varieties of medical ephemera.

Brass microscopes, optical and other scientific instruments, books about microscopes and microscopy.

Presents a collection grouped by medical specialty, with photographs and descriptions of each item.

Galleries of scales, weights, and measures. Scale tutorial, membership information and application.

A Kunstkammer collection of 'curiosities and wonders', where Renaissance and Baroque art meet science. Objects made from a variety of exotic materials are displayed with accompanying educational text.