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- E-bookThe Glaciers of the Alps Being a narrative of excursions and ascents, etc.John Tyndall
- E-bookFaraday as a DiscovererJohn Tyndall
- E-bookHalf Hours With Modern ScientistsThomas Henry Huxley
- E-bookThe Glaciers of the AlpsJohn Tyndall
- E-bookFaraday as a DiscovererJohn Tyndall
- E-bookSix Lectures on Light Delivered In The United States In 1872-1873John Tyndall
- E-bookHours of Exercise in the AlpsJohn Tyndall
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