contraptions

The Leak Listeners

Leak Listeners

The Leak listeners are the Thames Water squad tackling the wastage crisis who use “leak sticks”-steel rods with a wooden earpiece as one end-which they hold against pipes to pick up vibrations from any water escaping. It is …

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The Leak Listeners

Leak Listeners

The Leak listeners are the Thames Water squad tackling the wastage crisis who use “leak sticks”-steel rods with a wooden earpiece as one end-which they hold against pipes to pick up vibrations from any water escaping. It is …

/ No comments

Guesser gets weather right

med_weather_guesser.jpg

Scientific Guesser

Sourced from the Popular Science magazine in 1932, Dr. C. F. Marvin, head of the U. S. Weather Bureau, is experimenting with a “scientific guesser.” Small balls are marked for a certain kind of weather. The balls are …

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Guesser gets weather right

med_weather_guesser.jpg

Scientific Guesser

Sourced from the Popular Science magazine in 1932, Dr. C. F. Marvin, head of the U. S. Weather Bureau, is experimenting with a “scientific guesser.” Small balls are marked for a certain kind of weather. The balls are …

/ No comments