re: "a bucket of steam."


and an early 'activity' of computer nerds, especially when de-bugging a bit of hardware, was to 'empty the bit bucket'

(ziff davis, a technical publisher, offered real bit buckets as a promo for subscribing to one of their PC magazines) they were 'half buckets" (semi circular) and designed to mount to a cubicle wall, or to sit on a desk and be used a pen jar.)