Key term for OCR GCSE History B, used in The wider world.
A navigational instrument invented by John Davis that allowed sailors to accurately measure the altitude of the sun using its shadow.
Davis Quadrant appears in OCR GCSE History B revision content for The Elizabethans (1580–1603), especially The wider world and Imperial ambition.
Create a free account to access OCR GCSE History B revision notes, track progress, and practise related key terms.
