spiral bearing

  • 51literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …

    Universalium

  • 52watch — /woch/, v.i. 1. to be alertly on the lookout, look attentively, or observe, as to see what comes, is done, or happens: to watch while an experiment is performed. 2. to look or wait attentively and expectantly (usually fol. by for): to watch for a …

    Universalium

  • 53Comparison of analog and digital recording — This article compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded using either digital or analog techniques. An analog… …

    Wikipedia

  • 54List of Ashes to Ashes characters — This is a list of fictional characters that have appeared in BBC One s science fiction/police procedural drama, Ashes to Ashes. Contents 1 Main characters 1.1 Gene Hunt 1.2 Alex Drake …

    Wikipedia

  • 55Nicholas Mayall — Nicholas U. Mayall Born …

    Wikipedia

  • 56Skew arch — A skew arch (also known as an oblique arch) is a method of construction that enables an arch bridge to span an obstacle at some angle other than a right angle. This results in the faces of the arch not being perpendicular to its abutments and its …

    Wikipedia

  • 57Analog sound vs. digital sound — Analog sound versus digital sound compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded in either digital or analog… …

    Wikipedia

  • 58Signals intelligence operational platforms by nation — This article is a subset article under the main article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with current signals… …

    Wikipedia

  • 59Ctenophora — For the genus of crane flies, see Ctenophora (genus). Comb jellies Temporal range: Cambrian – Recent …

    Wikipedia

  • 60Bone fracture — Classification and external resources Internal and external views of an arm with a compound fracture, both before and after surgery. ICD 10 …

    Wikipedia