Alan Walker
   Photographs of a collection of stick barometers and wheel barometers, with details of their dates and history. Restoration and sales offered.
   http://www.alanwalker-barometers.com

Alex Peck Antique Scientifica
   Sells antique medical, surgical, dental, and Civil War medical related artifacts. Online illustrated catalogue and archive of sold items.
   http://antiquescientifica.com/

Allan Wissner
   Buyer of antique microscopes presents articles, photographs, and list of patents.
   http://www.antique-microscopes.com/

American & Civil War Surgical Amputation Sets
   Information and photos of American made surgical and amputation sets made between 1800 and 1870. Detailed data on Civil War surgical sets as well as advice on how to collect and price medical antiques.
   http://www.braceface.com/medical/Pages/Antiquesurgicalsets.htm

Antique Spectacles
   Provides information on antique spectacles, eyeglasses, monocles, pince nez and lorgnettes. Also includes a virtual spectacles museum.
   http://www.antiquespectacles.co.uk/

Antique Spectacles and Other Visual Aids
   A comprehensive site devoted to antique spectacles and visual aids. Historical and educational links augmented with good pictures.
   http://www.antiquespectacles.com

Antiques of Science and Technology
   Historical instruments of science and technology, for sale, repaired, and bought, for collectors, museums, awards for scientific achievements, replications for historical research and scienctific movie props.
   http://scitechantiques.com

Apothecary Collectables
   Sells antique bottles, old chemist and pharmacy supplies, labels, prints and oddities from the bygone apothecary.
   http://www.apothecarycollectables.com

Ars Machina
   Buys and sells antique brass microscopes and telescopes. Credit Cards accepted.
   http://arsmachina.com

Bausch & Lomb Professional Model Microscopes
   Discussion and photography following the evolution of the Bausch & Lomb Optical Co.'s Professional Model Microscopes between 1876-1896. Of interest to collectors of antique microscopes and historians.
   http://users.bestweb.net/~wissner/professional/professional.html

Cabinboy Instruments
   A site for buying, selling and repair of scientific instruments including barometers, barographs, ship clocks, compasses and meteorology books.
   http://www.cabinboyinstruments.com

Cathode Ray Tube Site
   A collection of cathode ray tubes (CRTs), x-ray tubes, camera tubes and other electronic glassware, with information about the history of old physics equipment and links to other sites with shared interests.
   http://members.chello.nl/h.dijkstra19/

Duncan Robert Antiques
   A Canadian specialist in antique scientific and medical instruments since 1984.
   http://www.duncanrobert.com

EBL Historical Collection
   Images of medicine-makers advertising cards.
   http://www.mc.vanderbilt.edu/biolib/hc/nostrums/cards.html

Edison's Universal Stock Ticker
   A collection of antique tickertape machines which details the histors of Wall Street and the stock market.
   http://www.edisonticker.com

Eye Antiques and Collectibles
   Eye antiques display items from the ophthalmic past including glasses spectacles, ophthalmoscopes, microscopes, and eye exam items.
   http://www.eyeantiques.com/

Health Physics Historical Instrumentation Collection
   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.
   http://www.orau.org/ptp/museumdirectory.htm

Here Today, Here Tomorrow
   Online exhibit of varieties of medical ephemera.
   http://www.nlm.nih.gov/exhibition/ephemera/

Historical Microscopes.
   Brass microscopes, optical and other scientific instruments, books about microscopes and microscopy.
   http://www.kambeck.com/

History of Science, Technology and Medicine
   WWW Virtual Library for the history of science, technology and medicine. Source for collectors research information.
   http://www.asap.unimelb.edu.au/hstm/hstm_ove.htm

International Society of Antique Scale Collectors (ISASC)
   Galleries of scales, weights, and measures. Scale tutorial, membership information and application.
   http://www.isasc.org/

Kunstkammer Georg Laue
   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.
   http://www.kunstkammer.com

M&R Gordon
   Dealers in antique medical and dental instruments and related material for collectors.
   http://www.mindspring.com/~gordon9/med.html

Medical Antiques Collector
   Dedicated to the history of medicine, dentistry, pharmacy, and quackery as found in the antiques and art of the past. Introduction to the hobby and tips for beginners.
   http://www.collectmedicalantiques.com/

Medical Antiques Online
   Collection includes images and descriptions of stethoscopes and other medical items.
   http://www.antiquemed.com/

Medical and Scientific Antique Collection
   Curious Science is a specialist dealer in medical, scientific and curiosity antiques from around the world. The shop is located in Fulham, London, UK.
   http://www.curiousscience.com

Medical and Scientific Instruments
   A collection of medical instruments used in anesthesia and gynecology with a section on medical electricity. (In Italian, French and English)
   http://www.amber-ambre-inclusions.info/ing-medical__instruments.htm

MedicalAntiques
   Educational site for collectors and those interested in antique medical, surgical, and bloodletting instruments.
   http://www.medicalantiques.com/

Museum of Microscopy
   Site contains a museum of classical microscopes ranging from the first European microscopes built in the sixteenth century to modern microscopes from around the world.
   http://microscopy.fsu.edu/primer/museum/

Museum of Questionable Medical Devices
   Offers displays of quackery, fraud, deceit and deception; an online collection of medical chicanery.
   http://www.museumofquackery.com/

Osborne's Antiques
   Manufacturers and suppliers of barometer parts mercury tubes and thermometers for the repair and restoration of antique and modern barometers.
   http://barometerparts.co.uk/

Phisick
   Presents a collection of medical antiques grouped by specialty, with photographs and descriptions of each item.
   http://www.phisick.com

Pre-1870 American Surgical Antiques
   Dr. Michael Echols presents extensive information on Civil War surgical sets with numerous photos of a large collection of American made surgical sets. Identification, pricing, and set evaluations provided at no charge.
   http://www.braceface.com/medical

Quicksilver Barometers
   English seller and repairer consistent with the original specifications of the device.
   http://www.quicksilver-barometers.co.uk/

Scales and Weights
   A collection of all types of historical scales and weights from different periods of the past 3000 years.
   http://www.scales-and-weights.com/

Scientific Instrument Collection
   Collector selling collection of antique and nearly antique scientific instruments.
   http://website.lineone.net/~bsneesby/

Scientific Medical & Mechanical Antiques
   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.
   http://www.americanartifacts.com/smma/index.htm

Sheffield Museum of Anaesthesia
   Extensive selection of old anaesthetic equipment which offers an insight into the evolution of the specialty of anaesthesia over the past century.
   http://www.sthgas.com/museum/

Simon Weber-Unger
   Austrian dealer of antique medical and scientific instruments including globes.
   http://www.wisskab.com/

The Barometer Shop
   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.
   http://www.thebarometershop.co.uk/

The Gemmary
   Sells a full range of scientific instruments, including globes and planetaria, mineralogical apparatus, microscopes and accessories, calculating apparatus, and physics demonstration apparatus.
   http://www.gemmary.com/

Weights of an Apothecary
   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
   http://www.apothecariesweights.com/

Wunderkammer Scientific Curiosities, Artefacts and Ephemera
   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.
   http://wunderkammer.com.au