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Charles Holtzapffel was a mechanical engineer and technical writer and one of the
Charles Holtzapffel was a mechanical engineer and technical writer and one of the Holtzapffel
The Holtzapffel dynasty of tool and lathe makers was founded in Long Acre, London by a Strasbourg-born turner, Jean-Jacques Holtzapffel, in 1794. The firm specialized in lathes for ornamental turning but also made a name for its high-quality ed ...
dynasty of tool and lathe makers. He wrote a five volume treatise called ''Turning and Mechanical Manipulation'''','' which is considered a blueprint for ornamental turning Ornamental turning is a type of turning, a craft that involves cutting of a work mounted in a lathe. The work can be made of any material that is suitable for being cut in this way, such as wood, bone, ivory or metal. Plain turning is work executed ...
, with over 3000 pages and 1600 illustrations''''.
Charles was the son of John Jacob Holtzapffel, originally from Alsace
Alsace (, ; ; Low Alemannic German/ gsw-FR, Elsàss ; german: Elsass ; la, Alsatia) is a cultural region and a territorial collectivity in eastern France, on the west bank of the upper Rhine next to Germany and Switzerland. In 2020, it had ...
who set up a tool-making partnership in Long Acre with Franic Rousset in 1793.
Charles was educated in England.
Business
Charles joined his father's firm, Holtzapfell & Co. in 1827. The firm was based at 64, Charing Cross Road, with manufacturing at 127Long Acre
Long Acre is a street in the City of Westminster in central London. It runs from St Martin's Lane, at its western end, to Drury Lane in the east. The street was completed in the early 17th century and was once known for its coach-makers, and la ...
. After his father died in 1835, Charles continued to run the business. He also invented machinery for printing banknotes, lathes for cutting rosettes, and equipment for tracing shapes on glass and introduced a new system of measures based on the decimal sub-division of the standard inch, as a replacement for the method of measuring with gauges. A number of lathes and tools made by Charles are held at the Science Museum, London.
Charles died of liver disease in 1847 at the age of 41. His obituary was published in the Artizan journal and the Gentleman's magazine. By this time, Holtzapfell & Co. had sold about 1500 lathes. After his death, his wife Amelia ran the business until 1853 and his son John Jacob II from 1867 to 1896.
Publications
In 1838 Charles published two books, and in 1827 started writing ''Turning and Mechanical Manipulation''. The first two volumes were published in 1843,and the third published posthumously by Amelia in 1850. The last two volumes were completed after his death by his son, John Jacob II. All 5 volumes are held by the Science Museum, London, There is some evidence to suggest thatFrancis Ronalds
Sir Francis Ronalds FRS (21 February 17888 August 1873) was an English scientist and inventor, and arguably the first electrical engineer. He was knighted for creating the first working electric telegraph over a substantial distance. In 1816 ...
assisted Charles in the early stages of preparing the treatise. Typeset sections survive of an unfinished "Turner's Manual" that Ronalds wrote in 1837 and there is marked similarity in the two prefaces and elsewhere. Ronalds and Charles also collaborated on developing lathe accessories.
Charles also published a number of other books and pamphlets, including one on printing apparatus, which is held by the Wellcome collection.
Professional memberships
Member of the council ofInstitution of Civil Engineers
The Institution of Civil Engineers (ICE) is an independent professional association for civil engineers and a charitable body in the United Kingdom. Based in London, ICE has over 92,000 members, of whom three-quarters are located in the UK, whi ...
.
Chairman of the Mechanic's Committee of the Society of Arts
The Royal Society for the Encouragement of Arts, Manufactures and Commerce (RSA), also known as the Royal Society of Arts, is a London-based organisation committed to finding practical solutions to social challenges. The RSA acronym is used m ...
.
References