Copies of patents, which contain fuller details and the addresses of
inventors, are available from science reference libraries around Britain.
For details of free public access and purchase price, contact the London
Patent Office at State House, 66-71 High Holborn, London WC1R
4TP (Tel 071-831 2525) or Science Reference and Information Service at 25
Southampton Buildings, London WC2A 1AY (Tel 071-323 7919).
More from New ¾«¶«´«Ã½
Explore the latest news, articles and features
Life
Dramatic photo of ibis being guided to their winter homes wins award
Regulars
Space
The one film to watch before seeing Steven Spielberg’s Disclosure Day
Culture
Health
Ditching cigarettes for vapes may curb the cancer benefits of quitting
News
Comment
Sci-fi horror film Backrooms is a triumph for its 20-year-old director
Culture
Popular articles
Trending New ¾«¶«´«Ã½ articles
1
Fully autonomous drones have killed human soldiers for the first time
2
Millions of fossil whale bones found in deep-ocean ‘necropolis’
3
Mysterious ‘cold blob’ in the Atlantic suggests the AMOC is weakening
4
Hundreds of new moons are revealing our solar system's violent history
5
A nuclear war between India and Pakistan could destroy the ozone layer
6
Think you have a good sense of humour? So do most people…
7
Why we should all take quantum physics extremely personally
8
Dinosaur-killing asteroid impact site stayed hot for millions of years
9
Dramatic photo of ibis being guided to their winter homes wins award
10
Robots are about to overtake armed soldiers as the deciders of war
