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Levanna projectile points are stone projectile points manufactured by Native Americans what is now the Northeastern United States, generally in the time interval of 700-1350 AD. They are true arrowheads rather than atlatl dart points, and they derive their name from the specimens found at the Levanna site in Cayuga County, New York .
Examples of Western Stemmed Tradition projectile points. The Western Stemmed Tradition (WST) is a Paleoindian archaeological culture known from the Intermountain West of North America, particularly the Great Basin and the Columbian Plateau, spanning from over 13,000 years Before Present (and thus overlapping with the more well-known Clovis culture) to around 8,500 years Before Present.
Download as PDF; Printable version; ... Pages in category "Projectile points" ... Levanna projectile point; M. McWhinney point; P.
Projectile points come in an amazing variety of shapes and styles, which vary according to chronological periods, cultural identities, and intended functions. Typological studies of projectile points have become more elaborate through the years. For instance, Gregory Perino began his categorical study of projectile point typology in the late ...
Example of a ballistic table for a given 7.62×51mm NATO load. Bullet drop and wind drift are shown both in mrad and MOA.. A ballistic table or ballistic chart, also known as the data of previous engagements (DOPE) chart, is a reference data chart used in long-range shooting to predict the trajectory of a projectile and compensate for physical effects of gravity and wind drift, in order to ...
Initial estimates of projectile points associated with the Avonlea culture placed it within the Late Woodland period. [1] The first radiocarbon dating of charcoal samples from an associated stratigraphic layer at the Avonlea site returned a date of c. 460 CE and estimated the culture might have lasted as long as 800–1200 CE. [1]
Internal ballistics (also interior ballistics), a subfield of ballistics, is the study of the propulsion of a projectile.. In guns, internal ballistics covers the time from the propellant's ignition until the projectile exits the gun barrel. [1]
Unlike a conventional arrowhead which tapers to a point, transverse arrowheads widen to a cutting edge and was hafted onto an arrow shaft at its narrowest point. Other types have parallel sides but in any case transverse arrowheads are always wider than they are long. Link to a page showing transverse spearheads in use in pre-dynastic Egypt.