...Apparently the safety-bolt was missing from all of them, making them when loaded as brittle as an eggshell... 
Lady Sarah Wilson 「South African Memories」
...As usual the thorn scrub was so thick that I had to stoop and twist to get through it at all, and so brittle that the least false move made a crackling like a fire...
Stewart Edward White 「African Camp Fires」
...Shell subglobose, thin, brittle...
William Swainson 「Zoological Illustrations, Volume II」
...254) has brittle foot-stalks, so that the clusters of fruit are often blown off; this variety is said to be particularly attractive to wasps and bees...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The hairs involved become brittle and broken, fall off with thecrusts, leaving small bald patches...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Shells of infertile eggs became brittle and slimy after several weeks...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...It required great care anddelicate skill to work this brittle material into the fine sharppoints, and the making of them seemed to be a special business ortrade with some of the old men...
Galen Clark 「Indians of the Yosemite Valley and Vicinity」
...Thezinc-iron alloy is very brittle, and contains by analysis 6 per centof iron, and is used to cast small art ornaments from...
William N. Brown 「Handbook on Japanning: 2nd Edition」
...At zero it freezes into a brittle solid...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...A good unsophisticated sample inthe dry state is intense blue, almost black, hard and brittle, muchresembling in appearance the best indigo, and having a similarcopper-red fracture...
George Field 「Field's Chromatography」
...The chemical compositionof bones and tissue alters, jointsbecome stiff, muscles atrophied, andbones brittle...
Various 「Astounding Stories of Super-Science February 1930」
...At such temperatures,things which are ordinarilyquite flexible and elastic, such as rubber,or flesh, become as brittle as glassand would break in the manner whichthese bodies have broken...
Various 「Astounding Stories of Super-Science, March 1930」
...The light hadtaken on a hard, brittle appearanceand its hiss had risen to a scream...
Clifford Donald Simak 「Hellhounds of the Cosmos」
...Hours had passed since the ninety-eightmen—ninety-nine, countingHenry Woods—had stepped intothe brittle column of light to beshunted back through unguessedtime to a different plane of existence...
Clifford Donald Simak 「Hellhounds of the Cosmos」
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