Wind S.S.W., S.W., W.S.W., W., barometer falling, first half of storm. Wind N.N.W., N.W., W.N.W., W., barometer rising, last half of storm. LEFT-HAND SEMICIRCLE. Wind S.S.E., S.E., E.S.E., E., barometer falling, first half of storm. Wind N.N.E., N.E., E.N.E., E., barometer rising, last half of storm. HURRICANE MOVING FROM NORTH-WEST TO SOUTH-EAST. Axis line, wind S.W., barometer falling, first half of storm. Axis line, wind N.E., barometer rising, last half of storm. RIGHT-HAND SEMICIRCLE. Wind W.S.W., W., W.N.W., N.W., barometer falling, first half of storm. Wind N.N.E., N., N.N.W., N.W., barometer rising, last half of storm. LEFT-HAND SEMICIRCLE. Wind S.S.W., S., S.S.E., S.E., barometer falling, first half of storm. Wind E.N.E., E., E.S.E., S.E., barometer rising, last half of storm. APPENDIX. TABLE I.--Correction to be added to Barometers for Capillary Action. +--------------------+---------------------------------+ | | Correction for | | Diameter of Tube. |-----------------+---------------| | | Unboiled Tubes. | Boiled Tubes. | |--------------------|-----------------|---------------| | Inch. | Inch. | Inch. | | 0.60 | 0.004 | 0.002 | | 0.50 | 0.007 | 0.003 | | 0.45 | 0.010 | 0.005 | | 0.40 | 0.014 | 0.007 | | 0.35 | 0.020 | 0.010 | | 0.30 | 0.028 | 0.014 | | 0.25 | 0.040 | 0.020 | | 0.20 | 0.060 | 0.029 | | 0.15 | 0.088 | 0.044 | | 0.10 | 0.142 | 0.070 | +--------------------+-----------------+---------------+ +---------------------------------------------------------------------+ |Transcibers note: The following 100 line table has been split into | |two, both vertically and horizontally, so that it can be accommodated| |on these pages. | +---------------------------------------------------------------------+ TABLE II.--Correction to be applied to Barometers with _Brass Scales_, extending from the Cistern to the top of the Mercurial Column, to reduce the observation to 32 deg. Fahrenheit.