sine centers
1Sine bar — A sine bar is a tool used to measure angles in metalworking. It consists of a hardened, precision ground body with two precision ground cylinders fixed at the ends. The distance between the centers of the cylinders is precisely controlled, and… …
2sine bar — noun : a device that consists of a steel straightedge at whose extremities buttons are attached with their centers equidistant from the straightedge and that is used to locate work at desired angles on angle plates …
3University of Pennsylvania — This article is about the private Philadelphia based Ivy League university, colloquially referred to as Penn . For the public university located in State College, Pennsylvania, and colloquially known as Penn State , see Pennsylvania State… …
4ECONOMIC AFFAIRS — THE PRE MANDATE (LATE OTTOMAN) PERIOD Geography and Borders In September 1923 a new political entity was formally recognized by the international community. Palestine, or Ereẓ Israel as Jews have continued to refer to it for 2,000 years,… …
5Triangle — This article is about the basic geometric shape. For other uses, see Triangle (disambiguation). Isosceles and Acute Triangle redirect here. For the trapezoid, see Isosceles trapezoid. For The Welcome to Paradox episode, see List of Welcome to… …
6Validus DC Systems — is a provider of fully integrated Direct Current (DC) power infrastructures for datacenters and telecommunications facilities headquartered in Brookfield, Connecticut in the United States. The company’s power infrastructure is the first ever end… …
7Optical aberration — v · d · e Optical aberration …
8Steiner chain — In geometry, a Steiner chain is a set of n circles, all of which are tangent to two given non intersecting circles (blue and red in Figure 1), where n is finite and each circle in the chain is tangent to the previous and next circles in the chain …
9Jyā, koti-jyā and utkrama-jyā — are three trigonometric functions introduced by Indian astronomers and mathematicians. The earliest known Indian treatise containing references to these functions is Surya Siddhanta.[1] These are functions of arcs of circles and not functions of… …
10Mādhava of Sañgamāgrama — Madhava Born c.1350 Died c.1425 Residence Sangamagrama (Irinjalakuda (?) in Kerala) Nationality Indian Ethnicity …
