Spinning mule Rhode Island. Development over the next century and a half led to an automatic mule and to finer and stronger yarn. The ring frame, originating in New England in the 1820s, was little used in Lancashire until the 1890s. It required more energy and could not produce the finest counts. Samuel Crompton invented the spinning mule in 1779, so called because it is a hybrid of Arkwright's water frame and James Hargreaves' spinning jenny in the same way that mule is the product of crossbreeding a female horse with a male donkey (a female donkey is called a "jenny"). The
Spinning pinwheel this information, the developer can rewrite code to avoid the cursor being activated. Apple's guidelines suggest that developers try to avoid invoking the spinning wait cursor, and suggest other user interface indicators, such as an asynchronous progress indicator. The spinning wait cursor is commonly referred to as the (Spinning) "x" (of Death/Doom). The most common words or phrases "x" can be replaced with include: Spinning pinwheel The spinning pinwheel is a variation of the mouse pointer arrow, used in Apple's macOS to indicate that an application is busy. Officially, the "macOS Human Interface Guidelines" refers to it as the spinning