Samuel Colt new revolver had a stationary trigger and was in a larger caliber. Colt submitted his single prototype to the War Department as a "Holster revolver". Captain Samuel Walker of the Texas Rangers had acquired some of the first Colt revolvers produced during the Seminole War and saw first-hand their effective use as his 15-man unit defeated a larger force of 70 Comanche in Texas. Walker wanted to order Colt revolvers for use by the Rangers in the Mexican–American War, and traveled to New York City in search of Colt. He met Colt in a gunsmith's shop on January 4, 1847,
Samuel Colt other than detonating mines. Colt concentrated on manufacturing his waterproof telegraph cable, believing the business would prosper alongside Morse's invention. He began promoting the telegraph companies so he could create a wider market for his cable, for which he was to be paid $50 per mile. Colt tried to use this revenue to resurrect the Patent Arms Manufacturing Company, but could not secure funds from other investors or even his own family. This left Colt time to improve his earlier revolver design and have a prototype built by a gunsmith in New York for his "New and improved revolver". This