Effect on entrapped air on the action of wet pipe alarm valves . 130 OK. • o CO* I 127 51 122 51 118 50. .5 50 22 AQ e 22 111 ^y O 108 49 48. .5 102» 5 48 100 47, .5 98 46, ,5 95 9392 454443 18 * 90 42. .5 42 42 41. 5 84 81 5 13 80 *fcU . 1 D in CO 55 fti77 38 76 37. 5 75 37 74 36 5. 6 4 35 727n 35 34. 5 3 O 5? 70 34 (LmO 68 33. 5 33 66 3L\ 5 65 32 64 31. 5 30. 5 62 30 61 29 60 28. 7 60 28. 5 60 28. 2 ?9290888685

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Effect on entrapped air on the action of wet pipe alarm valves . 130 OK. • o CO* I 127 51 122 51 118 50. .5 50 22 AQ e 22 111 ^y O 108 49 48. .5 102» 5 48 100 47, .5 98 46, ,5 95 9392 454443 18 * 90 42. .5 42 42 41. 5 84 81 5 13 80 *fcU . 1 D in CO 55 fti77 38 76 37. 5 75 37 74 36 5. 6 4 35 727n 35 34. 5 3 O 5? 70 34 (LmO 68 33. 5 33 66 3L\ 5 65 32 64 31. 5 30. 5 62 30 61 29 60 28. 7 60 28. 5 60 28. 2 ?929088868583 here. r.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookideffectonentrappe00aher