So large a proportion of the motions of the parts of machinery may be included in ths classes rectilinear and circular, that the very few exceptions wherein the curvilinear motions are other than ...

If lines are perpendicular to each other then \({m_1} \times {m_2} = - 1\) conversely if \({m_1} \times {m_2} = - 1\) then the lines are perpendicular to each other.

Two non-parallel lines will have a common point -the point of intersection - where they cross each other or meet.

Parent company GM was facing problems with its G body coupes' styling: On the track, the G-body's rectilinear lines didn't ...

The variable-compression four-cylinder delivers marginally better fuel economy at the expense of major drawbacks elsewhere.

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I could put in French drains for you,” said Ray Wilding, the plumber, when we got aboveground, “but you don’t need them.” He ...

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This week in Newly Reviewed, Martha Schwendener covers Dennis Kardon’s wonderfully strange paintings, Klara Liden’s green ...