Seed drill further refined by Jethro Tull in 1701 in the Agricultural Revolution. However, seed drills of this and successive types were both expensive and unreliable, as well as fragile. Seed drills would not come into widespread use in Europe until the mid to late 19th century, when manufacturing advances such as machine tools, die forging and metal stamping allowed large scale precision manufacturing of metal parts. Early drills were small enough to be pulled by a single horse, and many of these remained in use into the 1930s. The availability of steam, and later gasoline tractors, however, saw the development of
Drill, baby, drill and the Republican Party from the slogan. One of several adult film parodies that featured Sarah Palin-like characters was titled "Drill Baby Drill" by Penthouse Features. Fred Krupp of the Environmental Defense Fund in 2014 harkened back to the "drill baby" phrase as he launched a renewed effort to limit the environmental impact of hydraulic fracturing (fracking). Drill, baby, drill "Drill, baby, drill!" was a 2008 Republican campaign slogan first used at the 2008 Republican National Convention by former Maryland Lieutenant Governor Michael Steele, who was later elected Chairman of the Republican National Committee. The slogan expressed support for increased