112 Page Classified Catalogue of Electrical Books. Indexed. 8 page list of Electrical Books issued in 1907.

TECHNICAL.

122 Page List arranged by Authors.

48 Page List of Scientific Books recently issued and in preparation.

8 Page Supplemental List of Books on Manufactures and Industries.

8 Page List of Books just issued.

MONTHLY RECORD.

16 Page Monthly Record of Scientific Literature Sent regularly to any address, on request.

23 Murray and 27 Warren Streets, New York.