Eastman Christensen

Some articles on christensen:

Hughes Christensen - History
... Christensen Diamond Products Former professional football player Frank Christensen is recognized as the driving force behind the introduction of diamond drill ... By 1946, Christensen diamond bits were introduced into the Rangley field of Colorado ... Christensen also developed an erosion-resistant matrix for diamond bits and introduced the 250P-core barrel system that quickly became the industry standard ...

Famous quotes containing the words christensen and/or eastman:

    About children’s caregivers ... you want someone who is loving but not so loving you’re displaced.
    —Kathleen Christensen (20th century)

    A good deal of tyranny goes by the name of protection.
    —Crystal Eastman (1881–1928)