. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 36 THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. [Jan. 20, a well known mathematical principle that if a right line of fixed length is in motion, and its ends move in two right lines that are at right angles to each other, the centre or middle point of such right line will describe a circle, whose diameter is equal to the length of the given rif;ht line ; let A B, fig. 1, Fig. 1. bn the right line, and C D, h I' be p right lines, at right angles to each other, and O the middle
. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 36 THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. [Jan. 20, a well known mathematical principle that if a right line of fixed length is in motion, and its ends move in two right lines that are at right angles to each other, the centre or middle point of such right line will describe a circle, whose diameter is equal to the length of the given rif;ht line ; let A B, fig. 1, Fig. 1. bn the right line, and C D, h I' be p right lines, at right angles to each other, and O the middle point of A. B; •*- then if the extrtmities move alternately on the lines C D, E F, the point O will B 2 describe a circle, whose centre is 1, and diameter A B ; it is from the above principle tliat the inventor bases his invention, which is as follows. Fig. 2, :] is a sectional elevation ; A A is a frame- Fig. 3. piston Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London : [William Laxton]
Size: 1287px × 1942px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., boo, bookcentury1800, booksubjectarchitecture, booksubjectscience
