Tag: February 21

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Things Pathfinder-tagged with 'February 21'

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Thelma Estrin (1924-): First Female IEEE President
from WoW Blog (Woman of the Week) posted in Education and Engineering Careers
Pathfinder Tags: February 21 Thelma Estrin Woman of the week
Created on 03/08/2012 12:00 AM
by SavvyExacta
February 21, 1804: The First Self-Propelled Steam Locomotive
from "On This Day" In Engineering History posted in General Discussion
Pathfinder Tags: February 21 john blenkinsop pennydaren locomotive richard trevithick william hedley
Created on 02/21/2008 9:45 AM
by Steve Melito
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