Why is there a mirror on the roof?

Why is there a mirror on the roof?

| February 24, 2014 | Reply

Long term observations of the clouds can be especially stressful on the neck. The mirror allows you to look down at the clouds instead of up. Much more relaxing! In the early days of the Observatory they used a reflective instrument to measure the speed of the clouds. This instrument is displayed in the History […]

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What is that “crystal ball” on the table in the History Room and on the roof of the tower?

What is that “crystal ball” on the table in the History Room and on the roof of the tower?

| February 24, 2014 | Reply

The “crystal ball” is not used to predict the future (although we wish it could do so). The crystal ball is actually a Campbell-Stokes sunshine recorder. This device was in use on the roof of the building for over 100 years. The sunshine recorder is essentially a magnifying glass that burns a track in a […]

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Why do you have so many kites?

Why do you have so many kites?

| February 21, 2014 | Reply

There is a long history of the use of kites in meteorology. In the early days of meteorology, before airplanes and satellites, kites were frequently used to send weather observation equipment aloft. Measurements of temperature, humidity, and altitude were taken. Sometimes wind speed and wind direction were measured as well. At the Observatory kites were […]

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