Porthouse, Thomas, c1794 - 1860 (watch & chronometer maker)
Found in 14 Collections and/or Records:
Copy of a letter to John Croker on how chronometer No.6279 by Porthouse became unfit for service while in the care of the agent for chronometers at Plymouth, 1826-04-25
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.
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 listing the prices to be offered for various chronometers, 1829-10-09
Sent from Francis Beaufort to John Pond.
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.
List of orders received concerning the issuing of chronometers to H M Ships, 1821-07-23 - 1835-07-31
A diary of orders, received by Pond, to send chronometers to particular ships, followed by a record of the date each order was completed. This is inverted at the back of the volume.
Manuscript declaration signed by chronometer makers and listing the distinguishing numbers of their chronometers, 1835-02-25
The Lords Commissioners of the Admiralty required each depositor to sign a declaration asserting that they were the maker of the chronometer(s) deposited at the Royal Observatory.
Printed declaration signed by chronometer makers and listing the distinguishing numbers of their chronometers, 1833-12-19
The Lords Commissioners of the Admiralty required each depositor to sign a declaration asserting that they were the maker of the chronometer(s) deposited at the Royal Observatory.
Printed letter concerning another chronometer for HMS Dublin under Captain Lord Townsend, 1831-07-04
Sent from Francis Beaufort to John Pond.
Printed letter concerning two chronometers for HMS Tweed under Commander T. Maitland, 1835-06-10
Sent by Francis Beaufort to John Pond.