inner drum
51USS Spuyten Duyvil (1864) — During the American Civil War, the Union Navy suffered heavy losses from the explosion of Confederate torpedoes. This experience prompted the Union Navy to design and build vessels capable of using this new weapon. One effort along this line… …
52Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
53Glossary of boiler terminology — Boilers for generating steam or hot water have been designed in countless different shapes, sizes and configurations. An extensive terminology has evolved to describe their common features. This glossary provides definitions for these terms.… …
54Christchurch — This article is about the city in New Zealand. For other uses, see Christchurch (disambiguation). Christchurch Ōtautahi (Māori)   Metropolitan Area   Christchurch …
55eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
56Airsoft gun — This article is about airsoft guns. For the sport, see Airsoft. Classic Army M15A4 AEG with Aimpoint Comp2 Replica Red dot sight Airsoft guns are replica firearms that propel plastic pellets (also known as BBs) by way of compressed gas, electric… …
57Pearl Drums — Industry Musical Instruments Headquarters Yachiyo, Chiba, Japan Key people Katsumi Yanagisawa: Founder Masakatsu Yanagisawa: President CEO Products Drums, Drum hardware, Flutes …
58Hip hop music — This article is about the music genre. For the culture in general, see Hip hop. For other uses, see Hip hop (disambiguation). Hip hop Stylistic origins Funk, disco, dub …
59Row counter (hand knitting) — Clover on needle row counters from Japan, 2000 2010 A row counter for hand knitting is a tally counter for counting rows or courses worked, for counting stitch pattern repetitions, or for counting increases or decreases of the number of stitches… …
60MUSIC — This article is arranged according to the following outline: introduction written sources of direct and circumstantial evidence the material relics and iconography notated sources oral tradition archives and important collections of jewish music… …
