American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 134
Figure C gives a view of the counter-shaft andpillars that support it. The pulleys and coneare hard rubber, and the pillars nickel-plated. Tho makers furnish with the lathe six splitchucks, two step chucks, ono taper, ono screw,and one saw chuck. The largest split chuckin all the different sizes of… … chucks at any time that will fit, and at the sametimo bo true. The No. 1 lathe bed is 8 inches,and swings 3 inches. No. 2 lathe bed is 12inches, and swings 4f inches. Messrs. Ballou and Whitcomb have each spentabout eight years in the construction of lathesin the principal American Watch…
Clocks and watches
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