1. Bausch Lomb Serial Numbers Microscope Chart
2. Bausch And Lomb Microscope Models
3. Bausch Lomb Microscope Serial Numbers

The Balplan Microscope Bausch & Lomb Documentation. The Balplan was the flagship microscope made by Bausch & Lomb Inc. In the 1970's and 80's, before the merger of their microscope operations into the Leitz / Leica company. Since the Balplan is no longer supported by either company, the knowledge base for maintenance on this fine instrument has.

1. Edward Bausch added the manufacture of microscopes to the company's product line, and by 1900, the company was making microscopes and accessories, slide and opaque projectors, photographic lenses and prism binoculars-but no surveying or engineering instruments. That changed in 1905 when George N. Saegmuller moved his company from Washington, D.
2. Bausch was an optician, while Lomb was the financial backer of the company. When the company first started, they manufactured a high end (for that time period) line of monocles and eye glass frames. By the end of the 20th century, Bausch and Lomb was producing eyeglasses, microscopes and binoculars, as well as projectors, and camera lenses.

George N. Saegmuller moved the business of Fauth & Co., G. N. Saegmuller, Prop. from Washington, D. C. to Rochester, New York in May 1905, opening in Rochester in June 1905. The new company, Bausch, Lomb, Saegmuller, apparently continued using the same serial number sequence as had been employed at Fauth & Co., with a transfer of name somewhere between serial number 2,400 and 2,600. The serial number transition between Bausch, Lomb, Saegmuller and the Triple Alliance instruments, which took place on January 1, 1908, took place at about serial number 6,750, although it seems extremely doubtful that Bausch, Lomb, Saegmuller produced more than 4,000 instruments in two and a half years. No explanation can be given for this disparity at this time, unless Bausch, Lomb, Saegmuller also numbered all its military output with its serial numbers. (Later military production used different serial numbers.)

The highest recorded serial number on a Bausch & Lomb surveying instrument is just over 12,000 on an instrument owned by Bausch & Lomb. If Bausch & Lomb manufactured instruments under its own name for a ten year period, the output would be approximately 550 instruments per year, but it must be noted that some instruments have two serial numbers. For example, the trough compasses on Bausch & Lomb's plane table alidades are also serial numbered. As a result, it's most probably fair to say that Bausch & Lomb's output averaged about 400-500 instruments per year. ~Thomas Garver

Approximate Year of Manufacture for Surveying Instrument:

Bausch Lomb Serial Numbers Microscope Chart

1908 6750

1909 7600

1910 8200

1911 8600

1912 8900

Fonelab keygen. 1913 9500 Blink mac system font download.

Din 6930 m pdf download. 1914 9800