Freebase(0.00 / 0 votes)Rate this definition: Imagism was a movement in early 20th-century Anglo-American poetry that favored precision of imagery and clear, sharp language. It has been described as the most influential movement in English poetry since the activity of the Pre-Raphaelites.
The Spring Trigger. A spring trigger is actually a small spring with a threaded end that replaces the hard trigger on specially made index-triggered releases. Because it bends when you pull it, the spring is very difficult to punch. Your only recourse is to keep pulling as you continue to aim at the spot you want to hit.
You are here: Well Intervention Equipment / Slickline Tools / Wireline Spring Jar. â¢ Spring Jars provide an upward jarring action and are commonly run with mechanical jars on either standard intervention operations, or fishing operations. Spring jars are run above the mechanical jars and below the stem. â¢ Design to impact a toolstring with a greater load without excessive jarring actions.