bolthead

The fabric lay as smoothly as though it were her own skin; not so much as a bolthead showed to interfere with her streamlining.

The HurricaneStory Gallico, Paul 1959

My eye took in every trifle, every bolthead, rivet, scratch, dent, indicator, seam and panel, playing with them in my mind, making and rejecting patterns.

Greener Than You Think Ward Moore 1940

If I'd a called it a bolthead it would a done just as well.

Adventures of Huckleberry Finn 1884

If I'd a called it a bolthead it would a done just as well.

The Adventures of Huckleberry Finn, Chapters 31 to 35 Mark Twain 1872

If I'd a called it a bolthead it would a done just as well.

The Adventures of Huckleberry Finn Mark Twain 1872

Every prostrate Kanaka; every coil of rope; every calabash of poi; every puppy; every seam in the flooring; every bolthead; every object; however minute, showed sharp and distinct in its every outline; and the shadow of the broad mainsail lay black as a pall upon the deck, leaving Billings's white upturned face glorified and his body in a total eclipse.

Roughing It, Part 7. Mark Twain 1872

Every prostrate Kanaka; every coil of rope; every calabash of poi; every puppy; every seam in the flooring; every bolthead; every object; however minute, showed sharp and distinct in its every outline; and the shadow of the broad mainsail lay black as a pall upon the deck, leaving Billings's white upturned face glorified and his body in a total eclipse.

Roughing It Mark Twain 1872

Every prostrate Kanaka; every coil of rope; every calabash of poi; every puppy; every seam in the flooring; every bolthead; every object; however minute, showed sharp and distinct in its every outline; and the shadow of the broad mainsail lay black as a pall upon the deck, leaving Billings's white upturned face glorified and his body in a total eclipse.

Roughing It 1871

Let a condensed beam be sent through a large flask or bolthead containing common air.

Fragments of science, V. 1-2 John Tyndall 1856

Receiver and condense there into a Liquor, that being rectifi'd will be of a pure golden Colour, and carry up that colour to a great height; this Spirit abounds in the Salt I told you of, part of which may easily enough be separated by the way I use in such cases, which is, to put the Liquor into a glass Egg, or bolthead with a long and narrow Neck.

The Sceptical Chymist or Chymico-Physical Doubts & Paradoxes, Touching the Spagyrist's Principles Commonly call'd Hypostatical; As they are wont to be Propos'd and Defended by the Generality of Alchymists. Whereunto is præmis'd Part of another Discourse relating to the same Subject. Robert Boyle 1659