Pentti Hirvonen
10 books
*Non-fiction
542
Elisha Gray - Nature's Miracles Volume 3: Electricity and Magnetism
Elisha Gray (August 2, 1835 – January 21, 1901) was an American electrical engineer who co-founded the Western Electric Manufacturing Company. Gray is best known for his development of a telephone prototype in 1876...
5 hours 56 minutes
*Non-fiction
540
Richard Francis Burton - Personal Narrative of a Pilgrimage to Al-madinah and Meccah
Sir Richard Francis Burton (1821 – 1890) was an English explorer, translator, writer, soldier, orientalist, ethnologist, linguist, poet, hypnotist, fencer and diplomat. He was known for his travels and explorations...
31 hours 49 minutes