Crossword-Solution: SEMICYLINDRICAL 15 letters, 1 clue 🏆 scrabble score: 25

She was completed and ready for sea early in 1844, when she was pronounced by Stockton "the cheapest, fastest, and most certain ship of war in the world." In this vessel, in addition to the propeller, Ericsson introduced his semicylindrical steam-engine, a beautiful invention, so compact that it occupied only one-eighth of the bulk of the British marine engine of corresponding power, and was placed more than four feet below the water-line.

Underneath the hammer was an anvil containing a die, the upper surface of which, as well as the under surface of a similar die inserted in the hammer, formed a semicylindrical groove, producing, when the two surfaces came together, a complete cylindrical cavity of the proper size to receive the barrel to be forged.

They are usually about 4 feet in length, with a width of about 2 feet, a height of 18 inches, and in Maine are usually of semicylindrical form.

Although the remains of this style are for the most part plain and devoid of ornamental detail, we occasionally meet with mouldings of a semicylindrical or roll-like form, on the face or under the soffit of an arch, and these are sometimes continued down the sides of the jambs or piers.

Early in the style they were (with some exceptions, as in the crypts beneath the cathedrals of Canterbury and Worcester) very massive, and the generality plain and cylindrical; though sometimes they were square, which was indeed the most ancient shape; sometimes they appear with rectangular nooks or recesses; and, in large churches, Norman piers had frequently one or more semicylindrical pier-shafts attached, disposed either in nooks or on the face of the pier.