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Description: | G M B Dobson's ozone spectrophotometer no.1, 1929, complete, on trolley, with accessories 1. sun director for forcused image 2. magnifier for reading trace on smoked plate 3. sun-director base 4. recorder 5.sun-director prism 6. sun-director tube for normal use 7. mercury lamp 8. microammeter 9. two-lamp apparatus 10. standard lamp 11. box spanner 12. amplifier, and a collection of apparatus used by the late Prof. G.M.B. Dobson for upper air investigation | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | spectrophotometer | Temporal: | 1920-1976 | Source: | Science Museum | Creator: | Dobson, G.M.B. (designer) | Identifier: | 1985-724 | Go to resource |
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