The record of the International Exhibition, 1862 (1862)
London International Exhibition (London, England), Mallet, Robert, 1810-1881 · Glasgow : W. MacKenzie · leaf 665
th sides of the dial. appears before a small window cut in the case, indicating the direc¬ The escapement upon which these currents act consists of two tion of the call. semicircular pieces of soft iron placed horizontally, and mounted Another alarum, which is frequently preferred, in connection… … a succession of currents which attract the armature ; a number of Breguet’s Alarm Instrument. those alarms are placed along the line within hearing distance from clockwork, is represented in Fig. 707. It is on the principle of a one another, and the whole of them sounded at once giving notice…
London International Exhibition (London, England) · London International Exhibition · Decorative arts · Art objects
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
