# Sylvester H. Roper

> Sylvester Howard Roper was an American inventor and a pioneering builder of early automobiles and motorcycles from Boston, Massachusetts. In 1863 he built a steam carriage, one of the earliest automobiles. The Roper steam velocipede of 1867-1869 may have been the first motorcycle, for which he was inducted into the Motorcycle Hall of Fame in 2002. He is also the inventor of the shotgun choke and a revolver repeating shotgun.

*American inventor (1823-1896)*

**Canonical URL:** https://fame.am/person/sylvester-h-roper

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** United States
- **Born:** 1823-11-24
- **Died:** 1896-06-01
- **Status:** deceased
- **Gender:** male

## Fame
- **Popularity score:** 45.0 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 10.5 / 100
- **Attention shift:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [西尔维斯特·霍华德·罗珀](https://zh.wikipedia.org/wiki/%E8%A5%BF%E5%B0%94%E7%BB%B4%E6%96%AF%E7%89%B9%C2%B7%E9%9C%8D%E5%8D%8E%E5%BE%B7%C2%B7%E7%BD%97%E7%8F%80)
- [سيلفستر إتش روبر](https://ar.wikipedia.org/wiki/%D8%B3%D9%8A%D9%84%D9%81%D8%B3%D8%AA%D8%B1_%D8%A5%D8%AA%D8%B4_%D8%B1%D9%88%D8%A8%D8%B1)
- [Sylvester H. Roper](https://en.wikipedia.org/wiki/Sylvester_H._Roper)
- [Sylvester H. Roper](https://es.wikipedia.org/wiki/Sylvester_H._Roper)
- [سیلوستر اچ روپر](https://fa.wikipedia.org/wiki/%D8%B3%DB%8C%D9%84%D9%88%D8%B3%D8%AA%D8%B1_%D8%A7%DA%86_%D8%B1%D9%88%D9%BE%D8%B1)
- [Sylvester Howard Roper](https://fi.wikipedia.org/wiki/Sylvester_Howard_Roper)
- [Sylvester H. Roper](https://fr.wikipedia.org/wiki/Sylvester_H._Roper)
- [Sylvester H. Roper](https://id.wikipedia.org/wiki/Sylvester_H._Roper)
- [Sylvester H. Roper](https://mg.wikipedia.org/wiki/Sylvester_H._Roper)
- [Sylvester Howard Roper](https://nl.wikipedia.org/wiki/Sylvester_Howard_Roper)
- [Sylvester Roper](https://sv.wikipedia.org/wiki/Sylvester_Roper)
- [Sylvester H. Roper](https://uz.wikipedia.org/wiki/Sylvester_H._Roper)
- [Wikidata](https://www.wikidata.org/wiki/Q2780910)

---
Generated by Fame.am · https://fame.am/person/sylvester-h-roper