Nature jewelry set - simple jewelry making from copper wire With simple steps and simple tools Anyone can make their own ...

Simple leaf copper ring for beginners - Wire Wrapping Ideas This is quite simple, you can use small stones With simple steps ...

It covers a range of topics from the laboratory to the field, including the analysis of thermodynamic diagrams and dispersion of pollutants, simple micrometeorological experiments on a sports field, ...

Reproduction of original in The Wellcome Library, London.