Heinrich Stoelzel
Umbrellas were first invented in 1815 in the Middle East. See the related link.
The very first tuba was made in the 1500's, but in 1815 valves were added to the tuba to make it the way it is today.
The spectroscope was invented in the early 19th century, around 1814-1815, by the German physicist Joseph von Fraunhofer. He designed the first practical spectroscope and made significant contributions to the field of spectroscopy.
it was invented before the victorian times in like 1815 by Karl von Drais
Sir Humphry Davy in 1815
the kaleidoscope was invented in 1815 by Sir David Brewster
Sir Humphry Davy in 1815
he invented the safety lamp the
The Davy lamp was invented in 1815 by Sir Humphry Davy. It was designed to improve safety in mines by preventing explosions caused by flammable gases like methane.
The miners flame safety lamp was first invented in 1815 by Sir Humphry Davy after the danger of methane gas and open flames prompted he and others to create a safer solution.
The first steam machine was the simple turbine invented by Hero of Alexandria in 100AD. The first practical steam driven machine was the beam engine invented by the Cornish engineer Newcomen in the 18th century. It was used to pump water out of the tin mines.
It was first settled after 1815.