1st May, 2000 12:00
Instruments of Science and Technology
112
A Franz Schmidt & Haensch, Compound Microscope, circa 1870
A Franz Schmidt & Haensch, Compound Microscope.
Berlin, Germany, circa 1870.
Signed “Franz Schmidt & Haensch, Berlin”, to the base, with concave mirror in gimbal, eyepiece tube with manual focusing, fine focusing knob at the top of the pillar, the stage with two clips for glass slides, contained in an associated wooden case, with oculars numbered 1-3, a three-part divisible objective with parts numbered 1-3, and separate objectives numbered 4 and 6.
Measurement: H. 29 cm.
catalogue Note: After completing their apprenticeships with Wilhelm Langhoff, Herrmann Haensch and Franz Schmidt founded, in 1864, the firm Franz Schmidt & Haensch in Berlin. Schmidt was in charge of the production of saccharimeters (polarimeters) and other polarization instruments, while Haensch was responsible for microscope and spectroscope production. Microscopes by the firm are relatively uncommon compared to those produced by the other leading German firms of the period. It has been Estimated that the firm produced about 2500 microscopes in total with the last one being made in 1893. To this day, the firm remains a family owned business, Schmidt & Haensch GmbH & Co., with headquarters in Berlin.
Estimate: 200-300
Sold for €358
A Franz Schmidt & Haensch, Compound Microscope.
Berlin, Germany, circa 1870.
Signed “Franz Schmidt & Haensch, Berlin”, to the base, with concave mirror in gimbal, eyepiece tube with manual focusing, fine focusing knob at the top of the pillar, the stage with two clips for glass slides, contained in an associated wooden case, with oculars numbered 1-3, a three-part divisible objective with parts numbered 1-3, and separate objectives numbered 4 and 6.
Measurement: H. 29 cm.
catalogue Note: After completing their apprenticeships with Wilhelm Langhoff, Herrmann Haensch and Franz Schmidt founded, in 1864, the firm Franz Schmidt & Haensch in Berlin. Schmidt was in charge of the production of saccharimeters (polarimeters) and other polarization instruments, while Haensch was responsible for microscope and spectroscope production. Microscopes by the firm are relatively uncommon compared to those produced by the other leading German firms of the period. It has been Estimated that the firm produced about 2500 microscopes in total with the last one being made in 1893. To this day, the firm remains a family owned business, Schmidt & Haensch GmbH & Co., with headquarters in Berlin.
Estimate: 200-300
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.
