Henry Johnson
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| Henry Johnson FZS | |||||||||
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| File:Johnson, Henry.jpg | |||||||||
| Residence | 39 Crutched Friars EC | ||||||||
| Occupation | inventor | ||||||||
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Contents
Notes
Office Notes
House Notes
Notes From Elsewhere
On a Deep-Sea Thermometer invented by Henry Johnson, Esq., 39 Crutched Friars
To Henry Johnson, of Crutched Friars, in the city of London, for the invention of " improvements in apparatus for drawing geometric curves."