In these the central bar which connects the two end links has screw threads cut upon it,;and by means of a lever can be turned so as either to shorten the coupling and bring the vehicles together till their buffers .are firmly pressed together, or to lengthen it to permit the end link to be lifted off the hook.
The pits leading from these lengthen into tubes, and undergo repeated branching as development proceeds.
Or March) and the days begin to lengthen the phyto-planktonic organisms begin to reproduce.
The flame appears to lengthen, but if the reflection is viewed in a vertical mirror revolving about a vertical axis or in Koenig's cube of mirrors, it is seen that the flame is really intermittent, jumping up and down once with each vibration, sometimes apparently going within the jet tube at its lowest point.
The second maxim refers to the well-known fact that accretions from marginalia, &c., lengthen and at the same time weaken a text.
In the case of orchard-house plants no shoots are suffered to lengthen out, except as occasionally wanted to fill up a gap in the outline of the tree.
And it was the lengthen ing of the forge, and the length and intimacy of contact between ore and fuel to which it led, that carburized the metal and turned it into cast iron.
Battle-axes with rounded outline started as merely a sharp edge of metal (io) inserted along a stick (10, if); they become semicircular (12) by the VIth Dynasty, lengthen to double their width in the XIIth, and then thin out to a waist in the middle by the XVIIIth Dynasty.
They continue to grow, and to thrust out new branches and to lengthen existing branches, for many years far into adult life.
But his name is chiefly perpetuated through his investigation of the motions of sun-spots, by which he determined the elements of the sun's rotation and made the important discovery of a systematic drift of the photosphere, causing the rotation-periods of spots to lengthen with increase of solar latitude.
The nature of these tubers is further rendered evident by the presence of "eyes" or leaf-buds, which in due time lengthen into shoots and form the haulm or stems of the plant.
Accents on vowels lengthen them; on d and t they are softening marks.