![Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems . allhis group relay, R-3 (Fig. 226), placed a ground on the row test contact,C-26 (Fig. 222), of the primary selector, Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems . allhis group relay, R-3 (Fig. 226), placed a ground on the row test contact,C-26 (Fig. 222), of the primary selector,](https://c8.alamy.com/comp/2CRX4MY/automatic-telephony-a-comprehensive-treatise-on-automatic-and-semi-automatic-systems-allhis-group-relay-r-3-fig-226-placed-a-ground-on-the-row-test-contactc-26-fig-222-of-the-primary-selector-hence-when-the-primary-selectorwipers-have-rotated-to-the-row-in-which-the-calling-subscribers-lineterminates-the-row-test-relay-r-12-will-find-ground-and-be-energized-260-a-utoma-tic-telepiiony-on-pulling-up-relay-r-12-will-lock-itself-to-ground-connecting-individ-ual-test-relay-ft-15-fig-224-to-the-wiper-w-2b-and-shift-the-pulsationsfrom-the-rotary-relay-to-the-vertical-relay-72-2CRX4MY.jpg)
Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems . allhis group relay, R-3 (Fig. 226), placed a ground on the row test contact,C-26 (Fig. 222), of the primary selector,
![Automatic Systems se renforce en Allemagne et créée une nouvelle filiale | Alliance Centre BW » » Automatic Systems se renforce en Allemagne et créée une nouvelle filiale Automatic Systems se renforce en Allemagne et créée une nouvelle filiale | Alliance Centre BW » » Automatic Systems se renforce en Allemagne et créée une nouvelle filiale](https://www.alliance-centrebw.be/wp-content/uploads/2022/02/Automatic-Systems-Deutschland-Stephan-Stephani-2.jpg)
Automatic Systems se renforce en Allemagne et créée une nouvelle filiale | Alliance Centre BW » » Automatic Systems se renforce en Allemagne et créée une nouvelle filiale
![Airport Suppliers - Press Release - Unitechnik Systems - Automatic Systems for Cargo and Baggage Handling and Airline Catering. Airport Suppliers - Press Release - Unitechnik Systems - Automatic Systems for Cargo and Baggage Handling and Airline Catering.](http://a-s.yolasite.com/resources/ICMPRESSNOV14.jpg?timestamp=1384945221426)