Here is a great image of some antique bloodletting devices from the 17th century. It is from Historical Collections, The National Museum of Health and Medicine, Armed Forces Institute of Pathology, Washington, D.C. *
The device in the foreground is the lancet. The image to the rear and left is the ‘artificial leech,’ and to the right is the scarifactor.
Below is a tintype photograph of a bloodletting procedure. It is one of only three photographs of bloodletting that are known to exist.
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| Public domain photo from the Burn’s Archive |
And here is a bloodletting bowl. It had graduation marks to measure the amount of blood that was being drawn.
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| Bloodletting bowl made by John Foster of London, c. 1740 Held in collections of Division of Cultural History Greenwood Collection, Smithsonian Institution |
Below is an advertisement for phlebotomy and cupping instruments from 1889.
A great source of information, with many more images, is the booklet Bloodletting Instruments in the National Museum of History and Technology, by Audrey Davis and Tobey Apell, 1979 (Project Gutenburg).
* The Armed Forces Institute of Pathology was closed in September of 2011. Many of its functions are now performed by the Joint Pathology Center.