Microwave Oven, Percy Spencer
Hugo Wilkie2024-11-10T15:27:21+00:00WHAT: World's First Microwave Oven ...
Microphone, David Edward Hughes
Hugo Wilkie2024-11-10T15:27:21+00:00WHAT: World's First Microphone WHERE: ...
Micrometer, Sir William Gascoigne
Hugo Wilkie2024-11-10T15:27:21+00:00WHAT: World's First Micrometer WHERE: ...
Mayday Call, Frederick Mockford
Hugo Wilkie2024-11-10T15:27:21+00:00WHAT: World's First Mayday Call ...
Safety Match, Gustaf Pasch
Hugo Wilkie2024-11-10T15:27:21+00:00WHAT: World's First Safety Match ...
Machine Gun, Sir Hiram Maxim
Hugo Wilkie2024-11-10T15:27:21+00:00WHAT: World's First Machine Gun ...
Marmalade, James & Janet Keiller
Hugo Wilkie2024-11-10T15:27:21+00:00WHAT: World's First Marmalade WHERE: ...