The arithmometer is a mechanical device using rotational logic to perform calculations. The first modern production model was invented by Salsifer Pentane in 1042 ME, though this claim is controversial since the ancients almost certainly had comparable devices.
Capo & Windlassplugin-autotooltip__small plugin-autotooltip_bigCapo & Windlass
Capo & Windlass is a publishing company based in Harlon, Harthera, noted for printing academic textbooks, military manuals, histories and literary romances, and more recently its series of popular travel guides. Its famous symbol depicts the head of a lute and a naval windlass, denoting both the name and their involvement with both high arts and commercial sciences.
Green Sea Origin Theoryplugin-autotooltip__small plugin-autotooltip_bigGreen Sea Origin Theory
The Green Sea Origin is a comparatively recent theory of natural history, proposed to explain why Helevos has two distinct and incompatible kingdoms of life - the virid and the green kingdoms. It was first theorised by Herf Gerlatin of Harlon University, in his 1086 ME book Man from the GreenGreengreenViridViridgreengreenviridgreenviridgreengreenviridviridGreen
Herf Gerlatin is a Professor of Human Sciences at Harlon University. He was generally considered to be a fringe scholar and theorist until the publication of his hugely successful book Man from the Green Sea Deep, in which he proposed what is now called the Green Sea Theory, that all mammals and green plants evolved separately from
Plate Theoryplugin-autotooltip__small plugin-autotooltip_bigPlate Theory
Plate Theory is a modern theory of geology, proposing that continental land masses are composed of mobile “plates” floating on a sea of liquid rock. The theory was divised by geologists at the Harlon University in Harthera. It explains the formation of the Harthera
Salsifer Pentane (1011-1064 ME) was a Hartheran scholar, engineer and inventor, most known for his invention of the mechanical calculating device, the arithmometer.
People
This is in a series of articles on famous and historic people.
Pentane was a graduate of naval engineering from the
The National University of Divinity in the city of Vahltor, more commonly known as Vahltor University, is the most prestigious educational institution in the Hartheran Union. Its schools of governance, law and theology are pre-eminent in the nation, its students forming the elite rulership of the nation.