a compass and assrolabe
A compass and a map of the world.
Pelorus
A protractor is one such instrument. Navigational aides that do the same include compasses and sextants.
The nautical instrument that Gioanni da Verrazano used wasn't much. He had a compass, lead line, astrolabe, cross staff, quadrant, traverse board and a tide calculator. His writings of his account on his voyage in 1524 to the North American continent was details that were previously unknown to European mapmakers.
William Spencer is most known for his instrument making. He started out with mathematical instrument making and then went on to navigational instrument making.
A cross staff is a navigational instrument used to measure angles, typically for celestial navigation, by aligning a crosspiece with an object in the sky. An astrolabe is a historical instrument used to observe and measure the positions of stars and planets. It was used for navigation, timekeeping, and astrology.
A Triangle! (musical instrument)The (Swanson) speed square and the navigational triangle are two other triangular instruments.
A backstaff is a an early navigational instrument for measuring the altitude of the sun and hence calculating latitude.
It's called a Pelorus, you can find details about its functionality in the Wikipedia entry
one sentence with navigational can be Mr.Bundles job included navigational work
for navigational purposes
There are many different types of technology Giovanni da Verrazano used when making his voyages. The most common equipment he packed on his ships was: ammunition, cannons, medicine, navigational and scientific equipment appropriate to his time.