File:Bausch & Lomb Abbe Refractometer Serial No. 380 Prop147A-G 001.jpg
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Original file (7,441 × 4,841 pixels, file size: 12.23 MB, MIME type: image/jpeg)
Summary
Bausch & Lomb Abbe Refractometer Serial No. 380, Refractometer and case
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| Photographer |
Staff photographer |
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| Title |
Bausch & Lomb Abbe Refractometer Serial No. 380, Refractometer and case |
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| Description |
English: Scientific apparatus and instruments
Bausch & Lomb Abbe Refractometer Serial No. 380 1919 - 1926 A: Refractometer (right) Instrument has round cast iron base; on the base is a rectangular glass mirror mounted to allow rotation; a single black pillar supports the prism alidade, the black cylindrical telescope viewer, and another viewer/magnifier above the scale; scale and telescope are in fixed position; scale-reading telescope can be moved on a pivot that also moves the prism alidade; knob at base of telescope turns to control dispersion; prism apparatus can be opened and closed using a locking mechanism. B: Box/Carrying Case (left) Rectangular hardwood case; brass key is in lock and operates locking mechanism; metal carrying handle on top; inside of box door has several wooden attachments for instrument accessories; inside of box has wooden attachments for securing refractometer. |
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| Date | 2017 | ||||||||||||||||||||
| Collection |
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| Accession number |
Prop147A-G 001 |
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| Notes | Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative. | ||||||||||||||||||||
| Source | https://digital.sciencehistory.org/concern/generic_works/m039k545g | ||||||||||||||||||||
| Permission (Reusing this file) |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:45, 26 October 2017 | | 7,441 × 4,841 (12.23 MB) | wikimediacommons>Mary Mark Ockerbloom | == {{int:filedesc}} == {{Photograph |photographer = Staff photographer |title = Bausch & Lomb Abbe Refractometer Serial No. 380, Refractometer and case |Description ={{en|1= Scientific apparatus and instruments Bausch & Lomb Ab... |
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