These may be used to access various web based library resources.
Some resources are freely available to all web users.
Other are available free to staff and students of Imperial College only. Access to these resources is controlled in different ways. However some services are IP address controlled. These do not require a username and password, but permit access from computers linked to the college network only. In order to use IP address controlled resources from outside the college, you should register to use the Computer Centre dialup service .