For many years, the coupler-curve atlas by Hrones and Nelson has been a valuable aid for designing four-bar linkages. Today, computers can quickly and accurately analyze displacement, velocity, and acceleration of the coupler point which traces the curve. However, even in the age of computers, an atlas is unsurpassed as a way to see relationships among these curves and choose the best for a particular design by thumbing through paper copies rather than looking at them individually or even in small groups on a computer screen.
This atlas of four-bar linkage coupler-curves facilitates...
For many years, the coupler-curve atlas by Hrones and Nelson has been a valuable aid for designing four-bar linkages. Today, computers can quickly ...
There are only two kinds of women in the Piraeus, Athens' gritty port. When a woman who is neither blinks into the shade of a noontime tavern, Skaphis finds himself sucked into the underside of Athenian society, black-market trading, extortion, political payback, repressed desire, and murder. In 400 BC, Athens is at a low point: with its fleet forcibly disbanded, its walls torn down by the Spartans, and its political power only recently wrested back from the oligarchs. As a former fleet rower, and a democratic counter-revolutionary, Skaphis is used to fighting for his life. But his weapons...
There are only two kinds of women in the Piraeus, Athens' gritty port. When a woman who is neither blinks into the shade of a noontime tavern, Skaphis...
