This traditional folding wooden ruler is printed on both sides with 200 years of human technological achievement. On one side there is an accurate mm and cm scale along with a timeline of events - at a centimetre per year! The other side has a matching timeline of concepts and periods, labelled in colour, so you can flip the ruler to see different information.
Folding wooden ruler, 2 metres long,
Printed on both sides,
Graduated in centimetres and millimetres.
A special edition of the Haynes Apollo 13 Manual, to coincide with the 50th Anniversary of the Moon mission April 1970 which very nearly ended in catastrophe. The special edition includes an expanded look at what was learned from the investigation, and how these lessons...
Celebrate women working and achieving in STEM with this brilliant pin. Part of our Badges of Honour range. Enameled blue metal badge. Measures approx 3 cm long.
This book features 100 real astronaut tests and exercises from the European Space Agency’s highly rigorous selection process, ranging from easy to fiendishly hard, Includes puzzles and tests on:· visual perception and logic· mental arithmetic and concentration· psychological readiness· teamwork and leadership· survival, physical and...
Tesla’s original patent application for the use of his famous coil to transmit electricity wirelessly. This amazing device is a radio frequency oscillator that drives an air-core double-tuned resonant transformer to produce high voltages at low currents. Also available in other styles and shapes. 100% cotton....