Ads
related to: used iron sets
Search results
Results from the WOW.Com Content Network
In addition to speed (the first set of entrances were installed within six months of their design) [9] and relatively low cost in manufacture and adaptation to different sizes and locations of entrances, all of this gave the system a stylistic identity. [6] [10] Bastille station entrance, now demolished, on another early postcard
The traditional set of irons was invented by Archibald Barrie, and was used from 1903 until about the 1940s. The introduction of the standardized numbered iron set produced by the Spalding Sporting Goods Company in the early 1930s caused the traditional set of irons to give way gradually to the numbered set.
Because the Ruckers workshop used iron strings for the treble, as a result the scaling (the length of the vibrating part of the string for a given pitch) was longer, (always with the basic two sets of strings; one 8-foot and a 4-foot), with greater string tension, and a heavier case, as well as a very slender and responsive spruce soundboard ...
The early earphones used with wireless-era crystal sets had moving iron drivers that worked in a way similar to the horn loudspeakers of the period. Each earpiece contained a permanent magnet about which was a coil of wire which formed a second electromagnet. Both magnetic poles were close to a steel diaphragm of the speaker.
There is evidence that iron was known from before 5000 BC. [15] The oldest known iron objects used by humans are some beads of meteoric iron, made in Egypt in about 4000 BC. The discovery of smelting around 3000 BC led to the start of the Iron Age around 1200 BC [16] and the prominent use of iron for tools and weapons. [17]
A stack of metal poles used to be a set of folding tables. A charred metal trunk used to hold seeds and tabling supplies for the Xerces Society, an invertebrate conservation group.
Ads
related to: used iron sets