Sentence:  The mighty Magnet from the Center darts / This ſtrong, tho' ſubtile Force, thro' all the Parts: / Its active Rays <WSD>ejaculated</WSD> thence, / Irradiate all the wide Circumference. 
Meaning of the word marked with <WSD> tags:  To eject abruptly; to throw out suddenly and swiftly.