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River Severn Bridge Builders

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Biographical
  • Engineering
  • Modern (18th-20th Century)
  • Personal
  • Secondary Source
URL: 

http://www.severnbore.ndirect.co.uk/design.htm

Author: 
Chris Witts, River Severn Productions
Excerpt: 

Thomas Telford was born in Eskdale, Dumfrieshire to the son of a shepherd. Sadly his father had died three months before he was born.

On leaving school he was articled as a stone mason, working first in Edinburgh and then at Somerset House, London. There he came to the attention of William Pulteney, the wealthy MP for Shrewsbury and was soon appointed County Surveyor of Public Works for Shropshire in 1787. He set about a radical improvement of roads and bridges, later devising a new form of chipped stone road surface, but it was in canal construction that he excelled. He constructed a canal bridge on the Shrewsbury canal in the form of an iron trough which became the prototype for his magnificent Pontcysllte viaduct over the Dee Valley on the Llangollen canal. Telford's philosophy was to build on a grand scale, cutting through contours rather than going around them as did many of his predecessors. Such a approach was more costly, but yielded a more direct route and a more lasting structure.

Wernwag, Palmer and the Earliest Pennsylvania Covered Bridges

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Engineering
  • Images
  • Modern (18th-20th Century)
  • Personal
  • Secondary Source
URL: 

http://william-king.www.drexel.edu/top/bridge/schuylkill.html

Author: 
Dr. Roger A. McCain, Professor of Economics, Drexel University
Excerpt: 

The first covered bridge in America crossed the Schuylkill at High Street, now Market Street -- a familiar enough spot to generations of Drexel and Penn students and faculty! It replaced a pontoon bridge, and for that reason it was called The Permanent Bridge. It was not originally planned as a wooden or covered bridge, but rather as a stone bridge. The abutments and piers had been begun in 1800 and were complete in 1804, when the decision was made to complete the Permanent Bridge as a wooden bridge. For this purpose, Thomas Palmer, a bridge architect, was brought from New England. Palmer's bridge was braced with three arches and multiple kingposts. The suggestion that it be covered came from Judge Richard Peters, president of the Permanent Bridge Company. Palmer supported it, expecting the bridge to last thirty, and perhaps even forty years, if covered. Owen Biddle, a Philadelphia architect and builder, did the woodwork and ornamentation that were to make the bridge a memorable Philadelphia landmark.

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Computers/Information Technology
  • Consumer Technology
  • Contemporary (Post-WWII)
  • Links
  • Personal
  • Secondary Source
URL: 

http://www.technocapitalism.com/

Author: 
Prof. L. Suarez-Villa
Excerpt: 

Technocapitalism is a new form of market capitalism that is rooted in technological invention and innovation.  It can be considered an emerging era, now in its early stage, that is supported by such intangibles as creativity and knowledge.

Before the Web

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Computers/Information Technology
  • Consumer Technology
  • Contemporary (Post-WWII)
  • Personal
  • Primary Source
URL: 

http://www.beforetheweb.org/

Author: 
Taylor Walsh
Excerpt: 

"Before the Web" is an online research project designed for the practitioners of the online services industry and its era. It is an interactive, digital variation of the oral history, the most common traditional technique used to collect the first-hand accounts from people who witnessed or took part in important events and eras.

The WWW Virtual Library

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Ancient (BCE-40 CE)
  • Aviation/Space Exploration
  • Computers/Information Technology
  • Consumer Technology
  • Contemporary (Post-WWII)
  • Early Modern (15th-18th Century)
  • Earth Sciences
  • Engineering
  • Industrial/Military Technology
  • Life Sciences
  • Links
  • Mathematics
  • Medicine/Behavioral Science
  • Middle Ages (5th-15th Century)
  • Modern (18th-20th Century)
  • Personal
  • Philosophy of Science
  • Physical Sciences
  • Primary Source
  • Secondary Source
URL: 

http://vlib.org/

Excerpt: 

The VL is the oldest catalog of the web, started by Tim Berners-Lee, the creator of html and the web itself. Unlike commercial catalogs, it is run by a loose confederation of volunteers, who compile pages of key links for particular areas in which they are expert; even though it isn't the biggest index of the web, the VL pages are widely recognised as being amongst the highest-quality guides to particular sections of the web.

Doug Engelbart's INVISIBLE REVOLUTION

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Computers/Information Technology
  • Contemporary (Post-WWII)
  • Links
  • Personal
  • Primary Source
  • Secondary Source
  • Video
URL: 

http://www.invisiblerevolution.net/

Excerpt: 

Welcome to the Invisible Revolution, the story of Doug Engelbart, the man who invented much of the computer environment we live in today - and still few know his name. This is his story, and the story of his fellow dreamers, thinkers, doers - revolutionaries - who changed our lives forever.

Annotation: 

This site represents a documentary film project produced by Frode Hegland, Fleur Klijnsma and others. The vision for the documentary is to present the story of how Doug Engelbart invented the mouse and began a revolution in information processing by popularizing the graphical and interactive, nonlinear
format that dominates computer technology today. The materials here include "a casual, rough and ready series of interviews, links to his seminal papers, and a cheat-sheet-like timeline." Although the site is essentially a companion to a film, the sections on Engelbart's life, vision, papers, and timeline can be very useful to historians. The site also has a list of the interviewees who contributed to the documentary's story with short bios that could link important personalities and establish new leads for researchers. The film clips might also be helpful or interesting to historians who want to explore documentary film or other visual modes of recording and conveying history.

Florentino Ameghino (1854-1911)

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Images
  • Life Sciences
  • Links
  • Modern (18th-20th Century)
  • Personal
URL: 

http://homepage.mac.com/ilja/intro_ameghino.html

Author: 
Ilja Nieuwland
Excerpt: 

This page is dedicated to the life and work of the Argentinian anthropologist and paleontologist Florentino Ameghino. Alhough he has become most widely known through his anthropological work, I will focus primarily on the work Ameghino has performed on Phorusrhacids, a group of flightless carnivorous birds from the Cenozoic.

Classic Chemistry

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Links
  • Personal
  • University
URL: 

http://webserver.lemoyne.edu/faculty/giunta/

String Theory History

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Contemporary (Post-WWII)
  • Early Modern (15th-18th Century)
  • Educational
  • Links
  • Mathematics
  • Modern (18th-20th Century)
  • Personal
  • Philosophy of Science
  • Physical Sciences
  • Secondary Source
URL: 

http://superstringtheory.com/history/

Author: 
Patricia Schwarz
Excerpt: 

This is a brief outline of the development of string theory, the details of which will eventually fill many large volumes written by many people directly and indirectly involved in this rich and fascinating story.

Bell System Memorial

Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
  • Artifacts
  • Computers/Information Technology
  • Consumer Technology
  • Contemporary (Post-WWII)
  • Images
  • Industrial/Military Technology
  • Links
  • Modern (18th-20th Century)
  • Personal
  • Primary Source
  • Secondary Source
URL: 

http://www.bellsystemmemorial.com/

Author: 
David Massey
Excerpt: 

Welcome to my website, the Bell System Memorial. For those of us who were old enough to remember the days of "Ma Bell" you should find plenty of memories on this website of the "good old days" - and perhaps some not-so-good old days - under the Bell System monopoly.

Review: 

A Switchboard to the History of the Telephone: The Bell System Memorial Website

In the golden days of the Bell telephone monopoly, telephones did not beep, chirp or yodel. Telephones made only one sound: they rang. In those golden days, there was no confusing variety of telephone providers, vying with each other to offer better long distance deals. There was one provider for local and long-distance calls, and this was Bell.

Ma Bell, the company of companies, was much more than a telephone provider: it was a symbol of American enterprise, of innovation and progress. Bell was not a company in the strict sense, but was an aggregate term for AT&T encompassing 24 Bell operating companies that provided local phone services. Under the umbrella was also the AT&T long distance service, an equipment manufacturing arm known as Western Electric, and the research and development division "Bell Laboratories." At the time of its break-up after de-regulation in 1984, Bell was the largest employer in the United States. Bell had not only provided a telephone for the majority of American households, but also a regular income for over a million workers.

The Bell System Memorial website is dedicated to an era of the telephone that was lost with de-regulation. It is a memorial to the technology of the telephone, and a memorial to the workers who made the phones ring. The website is a labor of love by David Massey, a private telephone enthusiast who was not associated with any of the former Bell companies.

The design of the website is clear and intelligent, resembling the functionality of a telephone switchboard: The main index site provides four options for different groups to enter the site: for students and teachers, for former employees, for historians and researchers, and for hobbyists and collectors. By providing these different entrance points, David Massey manages to address a wide audience, and at the same time tailors more specific information to a variety of groups.

When entering through the former employee button, visitors can access a fascinating collection of stories by former AT&T, Western Electric, Bell Labs, and Bell Operating Company employees. In this section, former employees recall "the wonders of working at Ma-Bell." They write about the stages of their careers at Bell, their most extraordinary work experiences, and the comradery among Bell employees. Not all stories reflect a harmonious relationship between the employer and the employees: Peter W. Koch, a former Western Electric installer, tells of a long strike in 1952 to raise the per diem rate for traveling installers by one dollar. In 1958, due to a recession, "about a third of the installers were laid off." Among them was Peter W. Koch, who "was never recalled." This section also gives a sense of the skills that were lost in the course of technological progress. Mary Clemence, who worked as a switchboard operator in Michigan in the mid 1960s, recalls her skills in handling a switchboard from the 1920s. "I've realized for some time that I had an incredibly unique experience using that kind of equipment, at a time when most of the country had direct dialing for local and long distance calls."

In addition to these stories, visitors can access a wealth of material through a navigation bar on the left hand side: a short history of the Bell logo, recordings of Jane Barbe's voice, Yellow Pages for telephone collectors and much more. A search engine helps to find pathways through Bell's A-Z. A What's New page keeps regular visitors up-to-date about additions to the site.

For historians of technology, for students and teachers, for anyone who has phone-nostalgia and wants to have a good time, the Bell System Memorial is the place to go. This website rings.

Katja Hering
Center for History and New Media
April 22, 2004

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