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FOR ALL THERE IS IN IT

INSULATION

INSULATION

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1000 TO 1,000,000 VOLTS

ABRIELE LIGHTNING-PROOF INSULATORS

MORE INSULATORS ARE STANDARD WITH
UNITED STATES NAVY and ARMY

AND WIRELESS TELEGRAPH AND TELEPHONE COMPANIES

FIBRE

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No. 7870

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No. 6833

No. 7834

BARRIER

No. 172

No. 7163

No. 7487
Sole Manufacturers

No, 0634
86-82 Washington St. 27-37 York St.
66-76 Front St.

1-23 Flint St. BROOKLYN, N. Y., AMERICA

Please mention the PROCEEDINGS when writing advertisers

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COPYRIGHT, 1919

By J. W. CONROY TRUSTEE FOR U. S. NAVAL INSTITUTE

The Lord Baltimore (Press

BALTIMORE, MD., U. S. A.

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