Atkinson, Philip. [from old catalog] · New York, The Century co. · leaf 270
Fig. 111. THE RONTGEN X-RAYS 247 … Fig. 112. 248 ELECTRICITY FOR EVERYBODY ing the brevity of the exposure; the jewelled ring en-circling the finger, and standing out from the bone, isespecially noticeable, the dense gold casting an intenselyblack shadow. Fig. 113, taken by three minutes exposure, shows ablock of Georgia pine, inch…
Electricity
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