“In Murphy's account, the mainspring of Douglas's public career was his aching, but never fulfilled, ambition for the presidency.”

“Lifting the bolt handle to extract the fired case and compress the mainspring is very difficult.”

“I did get a few misfires, so I believe a stronger mainspring or perhaps a longer firing pin or both would take care of this.”

“The organization of Heyd's book blends both chronological and thematic approaches, with thematic mainsprings taking precedence.”

“Janos' argument convincingly explains the mainsprings of politics and economics in modern times.”

“He is one of the mainsprings in the Australian sporting fraternity and has served in various capacities.”