10 Charles Grafton Page. 
experimental judgment and tact, that though this last is but 
the second advance step he is known or believed to have made 
beyond the scale of the one-inch round bar of the engine, the 
writer had the opportunity to admire the success of both steps 
at the first trial of each. On the 1st of March the same en- 
gine was employed to run at the rate of 1,200 impressions per 
hour, a single Napier printing press, bed 24 by 41 inches, with 
1} square feet of printed page at each impression. The Senate 
committee were 80 favorably impressed with the experiments 
they had witnessed that on their report an appropriation was 
made by Congress to defray the expense of experiments upon a 
large scale. Operations were immediately commenced. Nu- 
merous preparatory experiments were made with iron bars of 
various sizes and qualities of iron, solid and hollow, in one 
series with the bars motionless in their magnetizing helices, in 
= his Rep ort to the meats of the — ae in vol. 
