Cassell, Petter and Galpin
Thomas Dixon Galpin who came from Dorchester in Dorset and George William Petter who was born in Barnstaple in Devon were partners in a printing firm.
1854 Started printing for John Cassell, an enterprising newspaper publisher in London.
1854 Henry Petter retired from the firm
1855 On John Cassell's bankruptcy in June, Galpin and Petter acquired the publishing company and Cassell's debts.
Between 1855 and 1858 the printing firm operated as Petter and Galpin and their work was published by W. Kent and Co.
John Cassell was relegated to being a junior partner after becoming insolvent in 1858, the firm being known as Cassell, Petter and Galpin.
1862 Petter and Galpin, of Belle Sauvage Works, London E. C., exhibited a printing machine at the 1862 Exhibition. It was of a type supplied to the Government, with S. Bremner's patented improvements, new design and registered framework.
1867 Exhibited books at the Paris Exhibition
1878 With the arrival of a new partner, Robert Turner, in 1878, the firm became Cassell, Petter, Galpin and Company.
Galpin was the astute business manager. George Lock, the founder of Ward Lock, another publishing house, was Galpin's first cousin.
1883 Incorporated as a Company
1883 Petter resigned as a result of disagreement over publishing fiction
1888 the company name was changed to Cassell and Co, Ltd. following Galpin's retirement and Petter's death.