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Cover photo info
- Photo title: Old blue heliograph in a science and technology museum showing its crystal sphere to measure daily sunlight
- Author: Mireiaquerol
- Cover photo description:
- Old blue heliograph in a science and technology museum showing its crystal sphere. to measure daily sunlight
- Image ID:229413919
- Views:0
- Downloads:0
Keywords for Facebook, Twitter and LinkedIn timeline photos
ancient
blue
equipment
heliograph
industrial
industry
light
machine
measure
metal
meteorology
old
steel
sun
sunlight
technology
weather
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