Editing 1787 in science (section)

==Surveying==
* The first great [[Ramsden surveying instruments|theodolite]] constructed by [[Jesse Ramsden]] for the [[Anglo-French Survey (1784–1790)]] linking the observatories of Paris and Greenwich.<ref>*{{cite journal
|year = 1790
|last = Roy
|first =William
|title =An Account of the Trigonometrical Operation, Whereby the Distance between the Meridians of the Royal Observatories of Greenwich and Paris Has Been Determined 
|journal = Philosophical Transactions of the Royal Society of London
|volume =80    |pages =111–254 
|url =https://archive.org/stream/philtrans00940584/00940584#page/n0/mode/2up
|doi=10.1098/rstl.1790.0015
|s2cid = 186211548
}}
</ref>