...metamorphism — the change from the amorphous or fragmental condition to one more or less crystalline — has as a rule gone on more extensively among the older...testing now in vogue, a crushing strength of at least 6000 Ibs. to the square inch, while many stones, particularly those of the granite group, will range...

...metamorphism — the change from the amorphous or fragmental condition to one more or less crystalline — has as a rule gone on more extensively among the older...testing now in vogue, a crushing strength of at least 6000 Ibs. to the square inch, while many stones, particularly those of the granite group, will range...

...past been written on the subject of the crushing strength of building stones, and hundreds of testa have been made, the results of a few of which are...testing now in vogue, a crushing strength of at least 6000 Ibs. to the square inch, while many stones, particularly those of the granite group, will range...

...extreme cases it is necessary to continue this line of investigation. The results thus far ohtained are sufficient for us to formulate general rules,...testing now in vogue, a crushing strength of at least 6000 lbs. to the square inch, while many stones, particularly those of the granite group, will range...

...walls of a building, or even in a window stool, cap or pillar, bears so visible marks of its imfitness as to deceive no one with more than an extremely rudimentary...rare to find a stone that will not show, under the method? of testing now in vogue, a crushing strength of at least 0000 Ibs. to the square inch, while...

...the subject of the crushing strength of building stones, and hundreds of tests have been made, * * *. A few words only on the subject are here necessary....testing now in vogue, a crushing strength of at least 6,ooolbs. to the square inch, while many stones, particularly those of the granite group, will range...

...the subject of the crushing strength of building stones, and hundreds of tests have been made, ^ ^ *. A few words only on the subject are here necessary....testing now in vogue, a crushing strength of at least 6,000 Ibs. to the square inch, while many stones, particularly those of the granite group, will range...

...be likely to crush in the walls of a building, or even in a window stool, cap or pillar, bears such visible marks of its unfitness as to deceive no one...an extremely rudimentary knowledge on the subject." Few stones will, when tested, show a strength of under 6000 pounds per square inch, and many, especially...

...be likely to crush in the walls of a building, or even in a window stool, cap or pillar, bears such visible marks of its unfitness as to deceive no one...an extremely rudimentary knowledge on the subject." Few stones used for building purposes will, when tested, show a strength under 6000 pounds per square...

...be likely to crush in the walls of a building, or even in a window stool, cap or pillar, bears such visible marks of its unfitness as to deceive no one...an extremely rudimentary knowledge on the subject." Few stones will, when tested, show a strength of under 6,000 pounds per square inch,'1 and. -many,...