photograph, Quadrant of Tycho Brahe
photograph, Model Ballistic Pendulum
photograph, Air-pump (King George III)
photograph, Heliostat by Foucault
photograph, Ancient Striking Clock
photograph, Transit of Venus Equatorial
photograph, Fixed Harbour
photograph, Newcomen's Steam Engine
photograph, Photo-heliograph
photograph, Gramme's Machine for demonstrating
photograph, Three Violins
photograph, Microscopes
photograph, Air Pump and Magdeburg Hemispheres
photograph, Transit of Venus Equipment
photograph, Gyrometric Governor
photograph, Gravesande's Pneumatic Pump
photograph, Attraction Meter
photograph, Optical Bench
photograph, Transit of Venus Altazimuth
photograph, Newton's Telescope
photograph, Siderostat
photograph, Orrery
photograph, Telegraphic Apparatus
photograph, Davy's Balance
photograph, Early Hygrometer
photograph, Ramsden's Small Theodolite
photograph, The Kew Photo-heliograph
photograph, Gramme's Machine for electric light
photograph, Siberian Lodestone
photograph, Heliostat RCS (Ireland)
photograph, Dent's Glass Spring Chronometer
photograph, Gramme's Machine
photograph, Gambley's Declination Compass
photograph, Siderostat
photograph, Model of Great Melbourne Reflector
photograph, Herschel's Prismatic Apparatus
photograph, Fixed Harbour
photograph, Thomson's Tide Predicting Machine
photograph, App. for Projecting Rectangular Vibration
photograph, Indian Vina
photograph, Air-pump with two barrels
photograph, Theodolite, with 2 telescopes
photograph, Instruments of the Acad. Cimento
Photograph, Double Needle Telegraph
photograph, Siderostat
photograph, Five Wire Models of Lissajous's Figures
Photograph, Needle Instrument.
photograph, Cubic Feet Measuring Standard
