The first key telephone system (KTS), the 1A was a hardwired system comprising components physically wired together by hand. Developed by the Bell System and first marketed in 1938, the 1A was an electromechanical system. See also 1A1, 1A2, and KTS.
Up to 90 percent of cases of type 1 diabetes are the autoimmune subtype, sometimes called type 1A or immune-mediated diabetes.
In cases other than those described in § 82, the pth moment with regard to the axis of u is given by Pp = XPrA where A is the total area of the original trapezette, and S 2 _ 1 is the area of a trapezette whose ordinates at successive distances h, beginning and ending with the bounding ordinates, are o, x1P -1A, x2 P-1 (AI+AI),.
Billet (1a and 2), T.
1a i ox +...
C'est 1a," he wrote, " que j'ai connu enfin ma vocation."