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Updated: October 25, 2026
Then there were William Holzer and James Hipple, both of whom took an active part in the practical development of the glass-blowing department of the laboratory, and, subsequently, at the first Edison lamp factory at Menlo Park. Later on Messrs. Jehl, Hipple, and Force assisted Mr. Batchelor to install the lamp-works of the French Edison Company at Ivry-sur-Seine. Then there were Messrs.
Acheson and Hipple, and one or two other assistants, at the close of the Exposition transferred their energies to the construction and equipment of machine-shops and lamp factories at Ivry-sur-Seine for the company, and in a very short time the installation of plants began in various countries France, Italy, Holland, Belgium, etc. All through 1881 Johnson was very busy, for his part, in England.