Collecting and Restoring Scientific Instruments |
Common terms and phrases
angles Armillary sphere astrolabe astronomical balance Bond St brass British Cyclopaedia 1835 chronometer circle circumferentor Clerkenwell colour compass cross staff device dial Ditto Dollond early eighteenth century electric eyepiece George globe graphometer Hatton Garden EC Henry Holborn horizontal hydrometer instru instrument makers invented ivory James Jesse Ramsden John John Dollond Joseph Lane lathe lens lenses light liquid London machine Measures ment mercury metal meter method methylated spirit micrometer microscope mirror mounted nautical navigational instruments Negretti Negretti and Zambra nineteenth century object glass octant ophthalmoscope optical opticians orreries Oxford St pantograph patent plate portable prism pyrometer quadrant Ramsden Rd EC reflecting telescopes reflector refracting Regent St rods scale Science Museum scientific instruments screw sextant shagreen silver spectroscope St EC stars Strand WC sundial surveying instrument surveyors temperature theodolite thermometers Thomas trade card triangulation Troughton tube veneer Vernier scale vertical Victorian whol William wood Zambra