17-07. Wall Type Instruments shall be Kellogg #1100 17-08. Desk Type Instruments shall be Kellogg #1000 17-09. Fleld Type Instruments shall be Signal Corps 17-10. This equipment shall be installed as shown on BA Master-phones, or equal, moisture and fungus proofed. BA Masterphones or equal, moisture and fungus proofed. Type EE-SA, or equal. the plans. SUBMARINE TELEPHONE CABLE: 17-11. The Submarine Telephone Cable shall comply with the requirements of Specifications No. HN-7H-302, as manufactured by Western Electric Company or equal. 17-12. It shall be installed as shown on the drawings. 17-13. A Cable Laying Barge shall be equipped with stern guide plate, cable brake units, winches and blocks for this laying operation. 17-14. Tests shall be performed and a record kept of the electrical characteristics of these cables. SUBSCRIBERS LOOPS: 17-15. Subscribers Loops shall consist of overhead or underground cable or pairs as indicated on the drawings. 17-16. Overhead Telephone Cable, unless otherwise indicated, shall comply with the following specifications: a. Number of pairs of #22 A.W.G. with double b. Lead Antimony Sheath. c. Mutual Capacitance A. C. test not to exceed ad. Maximum conductor resistance, e. Minimum insulation resistance, 500 magohm dry paper tape insulation shown on the plans. .095 mfd. per mile of cable at 60°F, pair mile. miles at 60°F, 17-2 .92 ohms per