Concave Base

Some articles on concave base, base, concave bases:

Prehistory Of West Virginia - Bow and Arrow
... The earlier concave base type, elongated Yadkin, dates 300 to 1300 CE ... These rare finds with edges flaring to the base, along the Blue Ridge border areas, also generally have concave bases or somewhat straight base not, as more often found, as dart points, for ... collector in the state can find the small acute isosceles triangle point with a concave base made of varying flint and chert ...

Famous quotes containing the words base and/or concave:

    Study is like the heaven’s glorious sun,
    That will not be deep searched with saucy looks;
    Small have continual plodders ever won,
    Save base authority from others’ books.
    William Shakespeare (1564–1616)

    I think he is not a pick-purse nor a horse-stealer, but
    for his verity in love, I do think him as concave as a covered goblet or a worm-eaten nut.
    William Shakespeare (1564–1616)