jositus
Moderador
Estas son las características de las pruebas que tenian que pasar los relojes para ser admitidos:
Trial of Deck Watches of the Royal Observatory, Greenwich, in 1890
Chronometer makers who may care to send watches to the trial must first obtain permission from the Hydrographer, Admiralty, Whitehall, S.W., To whom all requests for such permission must be sent not later than October 6.
The watches are to be deposited here between the hours of 10 and 1 on any day (excepting Sunday),. during the week ending with October 20th, after which no watch can under any circumstances be received.
The rating this year commences on Saturday, October 25 and will be as follows:
Watch horizontal, dial up, in room for 6 weeks
Watch horizontal, dial up, in oven for 1 week
Watch vertical, pendant up, in oven for 4 days
Watch vertical, pendant right, in oven for 3 days
Watch vertical, pendant left, in oven for 3 days
Watch vertical, pendant up, in oven for 4 days
Watch horizontal, dial up, in oven for 1 week
Watch horizontal, dial up, in room for 6 weeks
The mean temperature in the oven will be from 80-85 degrees Fahrenheit.
The watches are to be in silver cases with crystal glass, and each must bear a distinguishing No. engraved on the plate of the movement, Preference will be given to keyless watches.
Each watch is to be labelled with its price, which is to include a mahogany box with ivory label, cleaning after trial and engraving the Government mark on the dial and plate of the movement, and the name of the maker, the No. of the watch, the letters D.W., and the Government mark on the ivory label of the box.
WHM Christie
Royal Observatory, Greenwich.
Sacado de: http://www.royalsignals.org.uk/photos/watch.htm
Trial of Deck Watches of the Royal Observatory, Greenwich, in 1890
Chronometer makers who may care to send watches to the trial must first obtain permission from the Hydrographer, Admiralty, Whitehall, S.W., To whom all requests for such permission must be sent not later than October 6.
The watches are to be deposited here between the hours of 10 and 1 on any day (excepting Sunday),. during the week ending with October 20th, after which no watch can under any circumstances be received.
The rating this year commences on Saturday, October 25 and will be as follows:
Watch horizontal, dial up, in room for 6 weeks
Watch horizontal, dial up, in oven for 1 week
Watch vertical, pendant up, in oven for 4 days
Watch vertical, pendant right, in oven for 3 days
Watch vertical, pendant left, in oven for 3 days
Watch vertical, pendant up, in oven for 4 days
Watch horizontal, dial up, in oven for 1 week
Watch horizontal, dial up, in room for 6 weeks
The mean temperature in the oven will be from 80-85 degrees Fahrenheit.
The watches are to be in silver cases with crystal glass, and each must bear a distinguishing No. engraved on the plate of the movement, Preference will be given to keyless watches.
Each watch is to be labelled with its price, which is to include a mahogany box with ivory label, cleaning after trial and engraving the Government mark on the dial and plate of the movement, and the name of the maker, the No. of the watch, the letters D.W., and the Government mark on the ivory label of the box.
WHM Christie
Royal Observatory, Greenwich.
Sacado de: http://www.royalsignals.org.uk/photos/watch.htm