The Medicine Chest

Items

• 

  Lodestone

  An example from demonline (UCT Physics Department’s website with descriptions of educational demonstrations). Its description reads: ‘A lodestone is suspended by a string. Show that it rotates on bringing a magnet near it. Dip it into iron filings and show that it picks them up.’
• 

  Jellyfish

  A detail from an X-ray of my jaw
• 

  Aurora Borealis

  Extract from 'What to Observe', 1841, written by Julian Jackson (The Royal Geographical Society)