We carry a very special selection of scientific instruments. They include various Astronomical Instruments such as Astrolabes, and Globes, Calculating Instruments like Slide Rules and Planimeters. Drawing Instruments- complete sets in original boxes. Length Measuring Instruments such as Rulers and micrometers. Meteorological Instruments including Barometers, Barographs and Anemometers. Navigational Instruments comprising of Sextants and Compasses. Pressure Measuring Instruments: Gas and Air Gauges and Sykes Hydrometers. Optical Instruments such as Microscopes Telescopes and Camera Lucidas. Surveying Instruments: Levels and Theodolites. And Volume Measuring Instruments
Antique Astronomical instr. were made to study phenomena beyond the Earth's atmosphere. The Astrolabe is an instrument based on a planispheric projection of the heavens. Astronomical Ring Dial was used for astronomical measurement...
Sets of instruments in cases made of tortoiseshell, leather, mahogany & Shagreen. Instruments made of Silver, Brass or Electrum. Plain Compasses, Drawing Compasses with moveable Points. Sectors in Ivory or Brass, Protractors...
Rulers in units of Centimeter, ell, fathom, foot, hands, inch, meter, millimeter, rod. Architect rules with inter- changeable scales. Circumference measuring devices Micrometers, Yardsticks, Ell rules, Thickness gauges.
Antique Aneroids, Cistern and Wheel Barometers, Barographs, Max-Min Thermometers. Anemometers for Measuring Wind Force and Velocity, Wet-And-Dry Bulb Hygrometers, Hair Hygrometers. Pocket Weather Forecasters.
Army & Navy Sextants & Octants. Azimuth Compasses, Marine Chronometers, Military Prismatic Compasses, Miners & Gimbaled Compass, Diver's Wrist Compass, Brass Pocket Sextant, Antique Chartometers for Measuring Maps.
Simple & Compound Microscopes, Refracting & Reflecting Telescopes, Lenses, Camera Lucida, Topographic Stereoscopes, Kaleidoscopes, Teleido -scopes, Galileo Type Telescopes. Microscope slides of Botanical Zoological or Geological...
Levels, Barometers, Theodolites, Planimeters, Podometer. Surveying Clinometers, Abney Level Clinometers, Surveyor Dumpy Levels. All Instruments are in original good condition, marked and numbered by the makers.