Gregory , R.A.. <br/><br/>
Experimental Science: Physiography Section-I /  Textual Documents 
R.A.Gregory & A.T.Simmons. 
 - 1st ed. / 
 - New York :  Macmillan and co ,  1899. 
 - 332p. :  ill ;  18cm . 
<br/><br/><label>Subjects--Index Terms: </label>Physics G-Physics 
<br/><br/><label>Dewey Class. No.: </label>530  / G 862 Ex