• | Zipper |
• | Typewriter |
• | Rubber tires used on bicycles |
• | Carburetor |
• | Diesel engine |
• | X-ray |
• | Radio |
• | Cold cereal |
• | Aspirin |
• | Magnetic tape recorder |
• | Rubber heel (for shoe/boot) |
• | Movie projector |
• | Wireless radio telegraph |
• | Photoelectric cell |
• | Milk safety test |
• | Thermite (industrial material) |
• | Self-powered model airplane |
• | Bolt action rifle |
• | Motion picture camera |
• | Data processing machine |
• | Photocopying machine |
• | Bridle bit (for horse) |
• | Desk top pencil sharpener |
• | Dust pan |
|
• | Fountain pen |
• | Golf tee |
• | Dry cell battery (Ever Ready) |
• | Steel-framed skyscraper |
• | American Express Travelers Cheques |
• | Book matches |
• | Hershey chocolate bar |
• | Cathode-ray tube |
• | Jell-o |
• | Roll film |
• | Vacuum cleaner |
• | First American subway built |
• | Cracker Jack |
• | Peanut agricultural science |
• | Dirgible |
• | Dixie cup (paper cup) |
• | Dishwasher |
• | Peep show |
• | Escalator |
• | Gasoline powered car |
• | Player piano |
• | Submarine |
• | Double-edge safety razor |
|
