| Object or Device or Process | Inventor |
|---|
| large hunting knife | |
| tactile written language for the visually impaired | |
| automatic rifle associated with WW2 | |
| labratory burner | |
| revolver | |
| early form of photograph | |
| internal combustion engine for heavy vehicles | |
| electronic noise reduction system | |
| conical labratory flask | |
| carnival ride | |
| type of stove | |
| multi-barreled automatic gun | |
| particle detector for measuring radiaton | |
| safety razor | |
| impermeable breathable fabric | |
| | Object or Device or Process | Inventor |
|---|
| WW2 US infantry rifle | |
| carpet vacuum cleaner | |
| stone-based road | |
| glass jar for preserving food | |
| music synthesizer | |
| character encoding for telegraphs | |
| process for slowing microbial growth in food | |
| culture dish for laboratory work | |
| scale for measuring magnitude of earthquakes | |
| food item using two pieces of bread | |
| reed instrument made of brass | |
| anti-personnel munition | |
| marching band tuba | |
| rotary combustion engine | |
| type of fine porcelain | |
|
Ivy League
Original 13 Colonies
20th Century by Image
