Catalogue no. 4
By: Interior Conduit and Insulation Company
Publisher: Interior Conduit and Insulation Co.
Published: 1890
Place of publication: New York
Language: eng
Number of pages: 39
Notes: Cover title.

"Price list"--P. [43].

"Patentees and manufacturers of interior and underground conduits, also, special electric light, heat and power appliances for use in connection therewith".

"General electrical and experimental work of all kinds solicited".