Darby


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Darby,

borough (1990 pop. 11,140), Delaware co., SE Pa., a suburb adjacent to Philadelphia; settled by Quakers 1682, inc. 1853. Although residential, it has some manufactures. One of the oldest settlements in the state, it retains many colonial landmarks. The Darby Library Company was founded in 1743 by Quakers.

Darby

 

A family of English iron-foundry industrialists.

Abraham Darby. Born 1677 in Worcester; died Mar. 8, 1717, in Madely Court. He served an apprenticeship at a Birmingham malt factory and established his own business in 1698. In 1704 he founded a copper-smelting works in Bristol. In 1708 he obtained a patent for casting iron pots and other ironwares in sand molds. The process advanced by Abraham Darby significantly lessened the cost of production of these wares. In 1709, breaking with his business partners in Bristol, he leased an old blast furnace in Coalbrookdale. In 1713 he introduced coal as an additive to charcoal in blast-furnace smelting.

Abraham Darby. Born Mar. 12, 1711; died Mar. 31, 1763. Son of the first Abraham Darby. In 1730 he became head of the iron foundry in Coalbrookdale. Under him the foundry was expanded and the blast-furnace process was significantly improved. In 1735, Darby mastered blast-furnace smelting on the basis of coking coal without added charcoal.

Abraham Darby. Born Apr. 24, 1750; died Mar. 20, 1791. Son of the second Abraham Darby. In 1768 he became head of iron production. He is known as the builder (1776-79) of a bridge over the Severn River in Coalbrookdale made entirely of cast-iron parts (with a span of 31 m and a height above the water of 12 m). In 1787, Darby received a gold medal from the Society of Arts for a model of that bridge.

REFERENCE

Dictionary of National Biography, vol. 5. London, 1950.

darby

[′där·bē]
(engineering)
A flat-surfaced tool for smoothing plaster.

darby, derby slicker

1. A float tool used in plastering, either wood or metal, about 4 in. (10 cm) wide and about 42 in. (approx. 1 m) long, with two handles; used to float or level the plaster base coat prior to application of the finish coat, or to level the plaster finish coat before floating or troweling.
2. A hand-manipulated straightedge usually 3 to 8 ft (1 to 2.5 m) long, used in the early-stage leveling operations of concrete finishing to supplement floating.
References in periodicals archive ?
With an online community of more than 4,000 contributors, reaching more than seven million people monthly, Darby Smart has become the online gateway for anyone who wants to explore their creativity from finding and sharing ideas to shopping them.
The court heard Darby was caught on CCTV selling the stolen television in a local branch of Cash Converters for PS65 within hours of the break-in.
I don't really think that something like this coming out during the ending of the legislative session is helpful to the state at all," Darby said.
Modwen, A&J Mucklow, L&G, IM Properties and M7 Real Estate, Darby Keye Property is now on track to double its turnover during the next 12 months.
In her police interview Darby said that she had left the dog indoors but hadn't shut the door properly.
After 37 years behind bars, serving time for robbery and murder, Darby was released on parole in 2011.
As Sales Manager of Reinhart's Saline office, Darby has already added two new sales agents and continues to look for new and experienced sales agents to join her growing team.
According to Darby Chief Financial Officer Nick Minden, "The company chose the property and facility due to overhead crane capacity, interstate access and an additional 30 acres for future expansion.
This debut USD issuance from Sime Darby was highly successful, notwithstanding the heavy supply in the primary USD bond market, enabling the company to attract a very strong order book of more than $8 billion, or a subscription rate of over 10 times via 376 orders from high quality investors.
But former Sime Darby group chief executive Ahmad Zubir Murshid pleaded not guilty to criminal breach of trust and cheating over the affair, which emerged in 2010, said Malaysian Anti-Corruption Commission prosecutor Kevin Morais.
When the clerk realised Darby was serious he handed over pounds 1,600.
Malaysian property-to-plantations conglomerate Sime Darby said on Tuesday a court in Abu Dhabi dismissed a legal suit against its unit by Emirates International Energy Services.