An early twentieth century Theodolite
By GLUCK, Isidoro , 1900


Surveying and navigational instruments
  • Author: GLUCK, Isidoro
  • Publication place: Mexico City
  • Publisher: [Isidoro Gluck, 3a Calle de San Francisco N.6
  • Publication date: c1900].
  • Physical description: Bronze and brass theodolite, mahogany support and box, compass signed Isidoro Gluck Mexico DF and numbered 201; two paper labels pasted on the inside of the door, one marked 'Transito Gluck #201. 7-2241' and one 'Garavaglia y Sanchez Mex DF'.
  • Inventory reference: 12772


Isidoro Gluck was an American merchant based in Mexico City. He originally sold optical equipment but added engineering supplies and drawing materials when surveyors became important customers. Among his inventory he sold theodolites, scales, dials, compasses, barometers, thermometers. He was the only manufacturer of glasses in Mexico at the time.


  1. SCHELL, William Jr, 2001, p22.

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