Rittenhouse & Evans

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Beautiful Compass Made by Rittenhouse & Evans

Rittenhouse & Evans (Benjamin Rittenhouse & Benjamin Evans)

The following two paragraphs are based on Bedini's Article on BR and his Business Partners and Apprentices:

After Potts left
the Rittenhouse shop and moved away from Worcester Township, Benjamin Rittenhouse next hired his own nephew, Benjamin Evans, who had just achieved the age of fourteen. Benjamin Evans (1776-1836) was the son of David and Benjamin Rittenhouse's sister, Eleanor Rittenhouse, who had married the Philadelphia blacksmith Daniel Evans.

When young Benjamin Evans was six years of
age, his family had relocated to David Rittenhouse's farm in Norriton. Benjamin Rittenhouse was then living in the adjoining Worcester Township. In 1790 Benjamin Evans became an apprentice of his uncle Benjamin, who trained him as a clock and instrument maker. It was during this period that Benjamin Rittenhouse appeared to be concentrating on the production of surveying instruments. Evans completed his apprenticeship in 1797. The next year he became a journeyman clockmaker and his uncle took him in as a partner in the clock shop. Instruments in this period bore the signature "Rittenhouse & Evans. Instruments with these signatures are in the collection of the Smithsonian Institution and the Historical Society of Pennsylvania.

Jeff Lock stated that there are seven known Rittenhouse & Evans Compasses - four of them are pictured below.

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BE1 - Very nice vernier compass held by the Smithsonian.

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BE2 - Fantastic four vaned vernier compass restored by Jeff Lock and owned at one time by the Pennsylvania Historica Society. See Lock's write-up on this great instrument.

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BE3 - Beautiful Rittenhouse & Evans compass. Found this on Pinterest. Looks like a Dale Beeks photo.

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BE4 - The compass on the right is BE2. The compass on the left is another Rittenhouse & Evans vernier compass, according to Lock's write-up on regarding BE3. Unfortunately that is the only photo I have of BE4.

Compasses Made by BR and His Partners - My Thoughts

Like BR's compasses, the compasses made by BR and his partners are Eye-Candy. This isn't surprising since BR trained his two main partners (Potts and Evans) before entering into a partnership with each one of them.

Nobody knows how many compasses BR and his partners made. The compasses made by BR and his partners are all high quality and mostly vernier compasses. They are all lustworthy, just like a BR branded compasses. They seem to fall in the same price range too.

Rittenhouse Articles

Bud Uzes authored two articles in the early 1990s regarding Rittenhouse surveying instruments. Bud's files included a fair number of background reference materials, and I've found a few additional articles published in the last 20 years that are relevant to collecting surveying instruments made by the Rittenhouse Family. Attached below are the most helpful articles. Please keep in mind that collectors were trying to figure this stuff out, and that developments may have impacted some of the analysis and conclusions stated in the articles. I've also included a longer list of my dad's reference materials.

1. Uzes -
Colonial Surveyor and Instrument Maker (1990) published in the Rittenhouse Journal (Vol 5, No 1).

2. Uzes -
The Brothers Rittenhouse - 1994 ACSM Presentation (similar to the Rittenhouse Journal Article)

3. Bedini -
David Rittenhouse (1732-1796) - Rittenhouse Journal (Vol 14, No 1).

4. Bedini -
Benjamin Rittenhouse (1740-1825)

5. Bedini -
Benjamin Rittenhouse and His Apprentices and Partners

6. Bedini -
Relevant Pages from Thinkers and Tinkerers

7. Lock -
David Rittenhouse Telescopic Theodolite - The American Surveyor (Dec 2007)

8. Forman -
The Worcester Workshop of Benjamin Rittenhouse

9. Smart -
The Makers of Surveying Instruments in America Since 1700 (Relevant Pages)

10.
Other List of References Pulled Together by Bud Uzes



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