Computers - Electronics - Robots - Technology - TV's
Feb. 25 They caused a revolution in writing: Ballpoints and their scientific manufacture: Chemists test the specially manufactured ink used in the ballpoint pens. Regular samples are analysed at the Park Royal factory, to ensure the correct composition of the fluid on which so many miles of writing depends
Picture No
13202271
Media ID
46944368
Size
3732px x 5107px
(1.2MB)
Credit
(c) Keystone Pictures USA/ZUMAPRESS.com/Mary Evans
Usage Restrictions
Editorial Use Only - No Property or Model Releases. For any non-editorial use, please contact Mary Evans direct
Source
Keystone Pictures USA
