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(743)
POST-OFFICE DIRECTORY ADVERTISER.
57
ESTABLISHED 180 9.
<*J&®
o^J MANUFACTURERS
A GENTS in Scotland for Jones' patent system of controlling Clocks by Electricity,
-*--*- as applied by them to the Clocks in the Royal Observatory, Edinburgh, in con-
nection with the Time Gun and Time Ball signals, the principal Clocks in the New General
Post Office, and that in front of the General Register House ; also in the Glasgow
Observatory, in connection with the Public Clocks there ; the Liverpool Observatory, in
connection with the Time Gun on the Mersey ; in MANCHESTER ; in the Polkowa Obser-
vatory, St. Petersburg, Russia ; and in BOMBAY.
An Extensive Assortment of
BRITISH AND FOREIGN CLOCKS AND TIMEPIECES
For Drawing, Dining, and Bed Rooms, Libraries, Halls, and Offices.
Gold Chains, Seals, Keys, Lockets, etc.
Clocks wound by Contract. French Clock Cases Refreshed or Regilt.
6 JAMES RITCHIE & SON,
25 LEITH STREET, EDINBURGH.
CHRONOMETER AND WATCH MAKERS,
Astronomical, House, Railway, and Steeple Clock Manufacturers.

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