photograph, Siberian Lodestone
photograph, Model of Great Melbourne Reflector
photograph, Gyrometric Governor
photograph, Bust of Galileo & Instruments
photograph, Siderostat
Photograph, Needle Instrument.
photograph, Transit of Venus Equatorial
photograph, Gramme's Machine
photograph, Siderostat
photograph, Heliostat by Foucault
photograph, Quadrant of Tycho Brahe
photograph, Heliostat RCS (Ireland)
photograph, Gambley's Declination Compass
photograph, Dent's Glass Spring Chronometer
photograph, Attraction Meter
photograph, Gravesande's Pneumatic Pump
photograph, Davy's Balance
photograph, Cubic Feet Measuring Standard
photograph, Orrery
photograph, Telegraphic Apparatus
photograph, Optical Bench
photograph, Syren Fog Signal
photograph, "M" Room (Geography & Geology)
Photograph, Double Needle Telegraph
photograph, App. for Projecting Rectangular Vibration
photograph, Herschel's Prismatic Apparatus
photograph, Air Pump and Magdeburg Hemispheres
Photograph, "The Greatest Natural Magnet"
photograph, Transit of Venus Equipment
photograph, Siderostat
photograph, Model Ballistic Pendulum
photograph, Fixed Harbour
photograph, Air-pump (King George III)
photograph, Microscopes
photograph, Fixed Harbour
photograph, Thomson's Tide Predicting Machine
photograph, Photo-heliograph
photograph, Early Hygrometer
photograph, Five Wire Models of Lissajous's Figures
photograph, Indian Vina
photograph, Air-pump with two barrels
photograph, The Kew Photo-heliograph
photograph, Newton's Telescope
photograph, Tide Integrating Machine
photograph, Newcomen's Steam Engine
photograph, Tisley's Compound Pendulum
photograph, Gramme's Machine for demonstrating
photograph, Ramsden's Small Theodolite
