A French gilt brass repeating alarm carriage clock, Muirhead & Sons, circa 1880

7.5-cm light blue enamel dial with Roman numerals and gilt half hour marks signed Muirhead & Sons Paris & Glasgow, alarm subsidiary below, trip repeating rack gong striking movement numbered 1585 with ratchet tooth lever platform escapement and alarm on a gong, similarly numbered gilt brass 'Anglaise' case inset with bevelled glass panels surmounted by a shaped handle, fluted corners and moulded base raised on flat feet