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Paris Pneumatic Clock Network (douglas-self.com)
5 points by reconnecting 3 months ago | past | 1 comment
Axial Internal-Combustion Engines (douglas-self.com)
3 points by pillars 5 months ago | past
The Museum of Retro Technology (douglas-self.com)
3 points by pillars 5 months ago | past
Locomotives with Non-Circular Wheels (douglas-self.com)
2 points by xk3 on Jan 26, 2025 | past
Loco Locomotives (douglas-self.com)
4 points by Tomte on Nov 25, 2024 | past
N-Wheeled Vehicles (douglas-self.com)
80 points by jfil on April 20, 2024 | past | 15 comments
Monowheels: Vehicles with Insufficient Wheels (douglas-self.com)
92 points by KolmogorovComp on April 18, 2024 | past | 68 comments
The Brennan Gyro-Monorail (douglas-self.com)
1 point by mikestew on Jan 16, 2024 | past
Acoustic Location and Sound Mirrors (2004) (douglas-self.com)
31 points by tomcam on Dec 5, 2023 | past | 10 comments
N-Wheeled Vehicles (douglas-self.com)
2 points by ggoo on April 9, 2022 | past
The Museum of Retro Technology (douglas-self.com)
3 points by DMell on March 30, 2022 | past
The Museum of RetroTechnology (douglas-self.com)
2 points by penneyd on Jan 6, 2022 | past
Thermo-Electric Generators (douglas-self.com)
46 points by basicplus2 on Dec 12, 2021 | past | 25 comments
Unusual Locomotives (douglas-self.com)
118 points by ggoo on Oct 29, 2021 | past | 42 comments
The Brennan Gyro-Monorail (2015) (douglas-self.com)
1 point by _Microft on May 23, 2021 | past
The Gallery of Electro-Mechanical Amplifiers (douglas-self.com)
1 point by highspeedbus on May 15, 2021 | past | 2 comments
Unusual Internal-Combustion Engines (douglas-self.com)
3 points by cialowicz on April 11, 2021 | past
N-Person Bicycles (douglas-self.com)
2 points by CoffeeOnWrite on Oct 23, 2020 | past
Pneumatic Networks (douglas-self.com)
2 points by lukeholder on Jan 8, 2020 | past
N-Wheeled Cars (douglas-self.com)
160 points by ivolimmen on April 30, 2019 | past | 58 comments
The Paris Compressed-Air Power Network (2018) (douglas-self.com)
157 points by camtarn on April 29, 2019 | past | 35 comments
Optical Telegraphs: An Early Internet (2018) (douglas-self.com)
29 points by camtarn on March 25, 2019 | past | 2 comments
Optical Telegraphs: An Early Internet (douglas-self.com)
1 point by camtarn on March 20, 2019 | past
The Paris Compressed-Air Power Network (2018) (douglas-self.com)
25 points by camtarn on March 20, 2019 | past | 4 comments
The Paris Pneumatic Clock Network (2018) (douglas-self.com)
142 points by Luc on March 20, 2019 | past | 33 comments
Acoustic Location and Sound Mirrors (2004) (douglas-self.com)
43 points by spking on Dec 29, 2018 | past | 4 comments
The Auxetophone and Other Compressed-Air Gramophones (douglas-self.com)
2 points by EamonnMR on Dec 8, 2018 | past
The Museum of RetroTechnology (douglas-self.com)
49 points by tomatotomato37 on Aug 27, 2018 | past | 13 comments
Acetylene Engines (douglas-self.com)
1 point by aurhum on Jan 3, 2016 | past
The Tower spherical steam engine (douglas-self.com)
2 points by thisjepisje on Dec 11, 2014 | past

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