| Object name: | Spectrometer |
| Maker: | Jules Duboscq |
| Serial / Maker's No: | #186 |
| Patent Date / Patent No / Date of Manufacture: | 1861 -1870. (A guess based on the date production began and the serial number.) |
| Length: | Short arm measures 5", collimator 10", telsecope 10 - 1/4" to 12 - 1/4". |
| Width/Depth: | Base has an 11" diameter footprint |
| Height: | 14", adjustable to 19" |
| Diameter: | 24" with the two longest arm opposite each other. |
| Description: | Probably used for teaching purposes. |
| References: | E-mail communication with Dr. Ben Smith (on file), Journal of Chemical Education, (on file) vol. 71, no. 11, page 967 (1994). |
| Provenance: | 1940 inventory card states "purchased before 1905". |
| Inventory Number: | D39L |