When we think of the arithmetical calculator, we think of a small, rectangular device that can fit in a person’s hand. However, this is our modern-day perspective speaking. As it turns out, this standard design is only a recent innovation — in the early days of the arithmetical calculator, an inventor could try anything they pleased in any shape they liked as long as the device still got the job done.

Take inventor William Briggs, for example. His arithmetical calculator doesn’t look anything like what we use today, but its innovative design still managed to shape the history of the calculator as we know it. But who was William Briggs? And where did this important patent of his fall in with the rest of his life and career? Let’s break down all the most important information on Briggs to find answers to these questions and more.

Quick Facts

Full Name
William M. Briggs
Net Worth
N/A
Children
five
Nationality
American
Place of Birth
Connecticut
Fields of Expertise
  • Mathematics
Institutions
N/A
Contributions
The arithmetical calculator

Who Was William Briggs?

While his work as an inventor is what he’s most known for, the truth is that William Briggs was capable of far more than just securing a patent — he was also a family man who worked a hard and labor-intensive day job. 

The quick and sure reckoner of William Briggs.

Career

Born in Connecticut in 1813, William M. Briggs eventually moved to Norfolk County, Massachusetts to work as a farmer and a miller. While he’s known best as an inventor, these jobs were where Briggs spent the majority of his days for the majority of his life. It wasn’t until 1879 — at age 66 and just eight years before his death — that Briggs received his first and, according to records, his only patent. For Briggs, though, that’s all he needed. His lone patent was more than enough to get him into the history books.

What Did William Briggs Invent? 

In 1879, William Briggs invented an arithmetical calculator made of wood, metal, and paper. While it sounds somewhat unconventional, Briggs’s calculator worked exceptionally well. Measuring in at 2.2 cm x 15 cm x 15.4 cm, the adding machine had a square wooden frame with a piece of paper displaying the numbers 1 to 100 in a large circle. A slightly smaller rotating tin disk with 100 holes sat on top of this large circle and was covered with another piece of paper, also with the numbers 1 to 100 printed around the edge. On top of this disk was a second, smaller wooden disk with ten teeth around its outer edge.

The calculator’s carry mechanism was implemented by a fixed metal arm that reached over the edge of the rotating tin disk to reach the larger circle on the outside paper. This arm advanced the smaller disk at every rotation of the larger disk. Briggs theorized that additional wheels could be introduced to indicate thousand, ten thousand, and so on, but he simply didn’t include these wheels on his simple wooden and paper model he sent to the US Patent Office.

The headstone of William Briggs in Dry Pond Cemetery, Stoughton, Massachusetts

William Briggs: Marriage, Divorce, Children, and Personal Life

Beyond his three distinct careers as a farmer, a miller, and an inventor, William Briggs was also a family man with an equally as interesting personal life.

Marriage

William Briggs married his first wife, Rebekah C. Briggs, when he was a young man. Rebekah was born in 1810, making her just a few years older than him, and she died in 1851, leaving him a widower at the young age of 38. Naturally, Briggs remarried. His second wife, Elizabeth C. Briggs, was much younger. She was born in 1828, making her 15 years his junior. This time around, it was his own death that led to the end of the marriage. His widow would go on to outlive him by 12 years.

Children

William Briggs was the father of at least five children on record. Only three of their names are in the public record: Emma (born in 1850 to Rebekah C. Briggs), Frank (born in 1855 to Elizabeth C. Briggs), and George (born in 1858, also to Elizabeth).

Tragedy

The real tragedy of William Brigg’s life is that he was left a widower at the age of 38. It’s also quite tragic that, despite coming up with an important and history-making invention, the true extent of Briggs’s career as an inventor was likely truncated because of his need to provide for his family as a farmer and a miller first and foremost. There’s no telling what other ideas were floating around in his head that he wasn’t able to explore because of the demands of his day job.

William Briggs – Complete Biography, History, and Inventions FAQs (Frequently Asked Questions) 

Who was William Briggs?

William Briggs was a 19th-century farmer, miller, and inventor from Connecticut.

What did William Briggs invent?

In 1879, William Briggs invented an arithmetical calculator made of wood, metal, and paper. The calculator operated via a series of rotating metal disks and had the potential to go far beyond the simple ones, tens, and hundreds of places built into the original design of the device.

Why did William Briggs invent the arithmetical calculator?

It’s unknown exactly why William Briggs invented what he did. However, as a farmer and a miller, it’s very possible that William Briggs invented the arithmetical calculator to help with the kind of simple addition required to effectively do his day jobs correctly.

When was William Briggs born?

William Briggs was born in 1813 in Connecticut.

When did William Briggs die?

William Briggs died in 1887 in Stoughton, Massachusetts.

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