1st May, 2000 12:00

Instruments of Science and Technology

 
  Lot 53
 

53

A Martin-Type Improved Compound Drum Microscope, ca 1850

A Large Martin-Type Improved Compound Drum Microscope. England, circa 1850. unsigned , typical drum-type microscope construction with rack and pinion focusing, with many accessories and slides, that include seven numbered objectives, in fitted polished mahogany case. Measurement: H. 30 cm. catalogue Note: Developed in England in nineteenth century, this drum microscope is reminiscent of the original drum microscopes designed by Benjamin Martin and George Adams. Constructed entirely from brass, this compound microscope was made in large numbers for general sale in London and its nearby communities. These microscopes enjoyed widespread popularity between 1820 and 1880, and continued to be sold into the early twentieth century. The basic design of these microscopes is very simple and includes a sliding body tube containing compound lenses and a base housing both the sample and a substage reflector to provide illumination. Focus is achieved with a rack attached to the knob on the side of the base housing. The microscope has several interchangeable objectives as well as lenses with Lieberkuhn reflectors for observing opaque samples. Estimate: 200-400

Sold for €358


 
A Large Martin-Type Improved Compound Drum Microscope. England, circa 1850. unsigned , typical drum-type microscope construction with rack and pinion focusing, with many accessories and slides, that include seven numbered objectives, in fitted polished mahogany case. Measurement: H. 30 cm. catalogue Note: Developed in England in nineteenth century, this drum microscope is reminiscent of the original drum microscopes designed by Benjamin Martin and George Adams. Constructed entirely from brass, this compound microscope was made in large numbers for general sale in London and its nearby communities. These microscopes enjoyed widespread popularity between 1820 and 1880, and continued to be sold into the early twentieth century. The basic design of these microscopes is very simple and includes a sliding body tube containing compound lenses and a base housing both the sample and a substage reflector to provide illumination. Focus is achieved with a rack attached to the knob on the side of the base housing. The microscope has several interchangeable objectives as well as lenses with Lieberkuhn reflectors for observing opaque samples. Estimate: 200-400

Auction: Instruments of Science and Technology, 1st May, 2000

Hessink's proudly presents the sale of a fine single owner collection of Instruments of Science and Technology. The sale offers you a great opportunity to purchase beautiful selection of globes, microscopes, telescopes, medical, drawing, surveying and navigational instruments from famous instrument makersfrom the 17th to the 20th century.

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