TABLE I: The mean values (column 2), the variances of the mean (column 3), the systematic errors (column 4), and the total experimental errors at a 95% confidence level (column 5) of the measured maximum magnitudes of the lateral Casimir force f ≡ max | F C $_{lat}$| at different separations (column 1) for the first set of measurements. a ¯ f s$_{¯}$ f Δ $^{syst}$f Δ $^{tot}$f (nm) (pN) (pN) (pN) (pN) 121.1 49.3 3.6 2.4 11.1 124.7 36.4 1.3 1.7 4.7 128.6 27.8 2.4 1.3 7.1 137.3 17.6 0.72 0.86 2.5 149.8 9.50 0.56 0.48 1.8 162.6 5.76 0.23 0.30 0.8 175.3 3.71 0.37 0.20 1.1 188.1 2.33 0.40 0.13 1.1 55