Appnut and Charles,
Actually, this is an interesting combination post because these two machines, though possibly 10 years apart in age, have something in common - the '76/'77 and '83 Ladies were the last two mechanical timer belt-drive models to reign queen of the lines in their respective years. The years in between had electronic models as TOL either as Lady Ks or Limited Editions. Interestingly, 1978 had both.
Though the '76 and '77 are a tiny bit different in that the '77 had the '76's Knit-Delicate cycle split into two cycles (a worthless marketing ploy) the two machines were essentially the same. 1978's mechanical timer Lady added a fifth water level. The '83, which was produced for four years in seven different colors, actually uses the same timer as the 76/77 and is more or less the same beast but with the slightly downsized tub and basket. Note that the two outer auxilliary switches on the 76/77 (soak on/off and extra rinse on/off) were combined into one cycle modifier switch for all similar models, 1979 and later.
Gordon