Porthouse, Thomas, c1794 - 1860 (watch & chronometer maker)
Found in 7 Collections and/or Records:
Copy of a letter to Mr Cox ordering chronometers for HMS Java under Captain J. Wilson and HMS Genoa under Captain Burthurst, and the delivery of Porthouse No.6279 to Greenwich, 1826-02-25
Copies of outgoing correspondence from Astronomer Royal, John Pond, and his assistant, Thomas Taylor, at the Royal Observatory. Some of the letters are addressed to chronometer makers. Note that correspondence to more than one person often appears on the same page.
Letter advising price of chronometer No. 6181, 1829-08-03
Sent from Thomas Porthouse to Thomas Taylor.
Letter concerning a chronometer sent for repair, 1821-11-21
Sent from Thomas Porthouse to Thomas Taylor.
Letter concerning repairs to chronometer No. 233, 1829-01-19
Sent from Thomas Porthouse to Thomas Taylor.
Letter reporting on condition of a chronometer and cost of repair, 1831-11-05
Sent from Thomas Porthouse to Thomas Taylor. Also includes a letter acknowledging a request for Mr Porthouse to attend the Royal Observatory.
Letter reporting on cost of repairs to a chronometer, 1834-07-04
Sent from Thomas Porthouse to Thomas Taylor.
Letter reporting on the cause of a non-working chronometer, 1826-04-12
Sent from Thomas Porthouse to John Pond.
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- Subject: Greenwich X