88 



paragraph 



Barometers, cisterns, how to tighten screws' of 136 



not to be strained 16, 111, 114 



comparison of, private 194 



corrections, for capillarity 41 



imperfect vacuum 41 



instrumental or scale error 41 



temperature 41 



correction cards, Form No. 1059-Metl 42, 170 



diagonal 62 



dial 63 



errors of 39, 40 



exposure of 89,152,176 



Fortin, Weather Bureau pattern 7 



frequent cleaning of cisterns to be avoided 117 



glass cisterns of, washed 135 



tubes of, to be cleaned 128 



glycerin 61 



Green 7 



holosteric 6 



how carried 111 



disposed on steamboats, etc 147 



inverted 110, 111 



set and observed 97 



to open cistern of leaky 126 



packed 145 



unpacked 109 



Howson's 65 



instructions for cleaning 123-144, 187 



marine 26-31 



box for — 96 



handling of 112 



magnifying 66, 67 



measurement of height by 105, 107 



moving and packing of 145 



normal 45 



not to be changed without authority 185 



parts of assembled 136 



pumping of 89a 



Barometer, readings completely corrected 171 



reduction to sea level 103 



standard gravity 102 



report on defective or unserviceable 150 



scale of, cleaned 128 



screwed up for transportation 145 



screws of cistern tightened regularly 136, 141 



shipment of empty 151 



serviceable 145, 149 



siphon 3 



spiral 62 



standard 45 



"station" and "extra" defined 175 



Torricelli's 2 



tube, air removed from 132 



tubes, filling of 32-37 



air-pump method 36 



boiling method 34 



funnel method 33 



cleaning of large. _ 35 



vacua in 38 



Tuch, cisterns cleaned 143 



verticality of 90, 92, 99 



water 60 



when to make change in location of 186 



Boxes for barometers 91 



old style 93 



Capacity correction how found ^- 24 



