• Handmade
• Vintage from the 1900s
• Delivery from a small business in

  India

• Read the full description

  Materials: Brass, Glass, Wooden, Paper, Marbels

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\"Sunshine Recorder Optical, Campbell-Stokes Recorder Complete with One Year Chart Strips with Wooden Box, Vintage Style Glass Sphere Ball \"

◆ A Campbell-Stokes sunshine recorder concentrates sunlight through a glass sphere onto a recording card placed at its focal point. The length of the burn trace left on the card represents the sunshine duration.

◆ This Meteorological Instrument is used for recording the amount of sunlight or a Weather Sunshine that a particular location receives throughout the day.
Inside the recorder\'s adjustable frame are two important pieces:
-- a paper strip, and
-- a glass sphere that can focus the sunlight strongly enough to singe the paper.

◆This Science Instrument consists of a glass sphere approximately 10 cm in diameter. This is held upon on an equatorial mount with adjustable feet and bubble level. To use this device, the mount should be lined up so that the main axis matches that of the Earth. The sphere should face towards a good window.