Henry Kater's telescope mb-height 2956 Veteran Philosopher Bertrand Russell braved

Veteran Philosopher Bertrand Russell braved today's Arctic weather to address a meeting to several thousand supporters of the " Ban the bomb" movement at a protest meeting in Trafalgar Square

with a second flat

Equestrian Portrait of Philip IV of Spain

Crowded vista showing carriages entering the gates of Buckingham Palace while crowds in St James's Park promenade in the foreground watching the carriages arrive

Boats on the River Thames can also be seen in the foreground

Henry Kater's telescope mb-height 2956 Veteran Philosopher Bertrand Russell bravedTelescope used by Henry Kater for pendulum observations. Geodesist and metrologist Henry Kater (1777 1835) invented Kater's pendulum in 1817 which enabled the strength of gravity to be determined. This sight was used to view the pendulum during observations in order to avoid parallax error. ca. 1820