1907-04-06: NOVEL RAPID TRANSIT SYSTEM OPERATED BY A CONTINUOUS SCREW WITHOUT MOTORS OR TRANSMISSION AND WITH NO RISK OF COLLISION
NOVEL RAPID TRANSIT SYSTEM OPERATED BY A CONTINUOUS SCREW WITHOUT MOTORS OR TRANSMISSION AND WITH NO RISK OF COLLISION
1907-04-06: NOVEL RAPID TRANSIT SYSTEM OPERATED BY A CONTINUOUS SCREW WITHOUT MOTORS OR TRANSMISSION AND WITH NO RISK OF COLLISION
NOVEL RAPID TRANSIT SYSTEM OPERATED BY A CONTINUOUS SCREW WITHOUT MOTORS OR TRANSMISSION AND WITH NO RISK OF COLLISION
