Jonathan Sisson

Article summary

Jonathan Sisson (1690 – 1747) was an English instrument maker, the inventor of the modern theodolite with a sighting telescope for surveying, and a leading maker of astronomical instruments.

Key claims

1. date of birth: 1690 — source: Wikipedia · confidence 0.95
2. date of death: 1747-06-13 — source: Wikipedia · confidence 0.95
3. publication date: 1793 — source: Wikipedia · confidence 0.95

Discussion questions

1. Summarise the article in your own words. Which single claim would you verify first, and why?
2. The record states that the date of birth is "1690". What evidence would count against this claim?
3. The record states that the date of death is "1747-06-13". What evidence would count against this claim?
4. The record states that the publication date is "1793". What evidence would count against this claim?
5. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
6. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

1. Wikipedia https://en.wikipedia.org/w/index.php?oldid=1341822008