INDEX 317 
Tide-predicting machine—Con. __ Page | Tide-predicting machine—Con. Page 
Heizbtitormulas—===—- re - 126 Summation wheels__-_------- 133 
Height predictions_-_--------- 134 hide cunye = ee ea eae 136 
Height seales! 2. === 2-22 134, 141 dlimetdials === eee 128 
Meishipsidens. 22 ob eee 128 Mime formulae sa> sae = 126, 132 
High and low water marking ‘hime: predictiona=2-=2 25-2 5=— 135 
GeviCen severe hoe ee he 139 Aime SiGe as aes ees oe 128 
Hour marking device- - - ----- 139 Verification of settings___--__ 142 
Marigram gears--------- 137, V4i\|\ide-producing force=== 525-22 —— == 10 
Manieram scales? 92-5200 22 137 | Tide-producing potential____--_-- 31 
Nonreversing ratchet __---_-_- 136) Bropical month years. 222-2 52=— 4 
Operation of machine- ------- 142 
Raperee ress ewan) Oe ee 136, 142 Vv 
SEG Ta See one Se eae Tah coe 138, 142 Ret Dect A 
Plane of reference__---_____- 141 | Variation inequality ------------- 4 
Positive and negative direc- Vernal equinox___--_- air eee 6 
Te as MOM ate 131.| Vertical component, tide-produc- 
predic tines 242 C U2 = ane 142 WS NONCOs saeseseasseoass= -- 15, 34 
Releasable gears____-_-_--__- 130 w 
ae Dapbude seunes- 132, 140 
cale, height dial________ 134, 141 STEN : 
Scale, marigram Wie ars oe See tes 137 Ace’. component tide producing 
Scale Stable. Gee) oe ALPS ee ee crsar rate peregrine y 
Neales working. = 20) 2) aes 135 Y 
Settimesmachines ===.) 5222 _ 140 
Stopping devices ==. 25227 - = 135| Year, several kinds__-_....-_---- 4 
Summation chains____-_____- 3a Young, “bhomass asa e= eee 1 
© 
*U, S. GOVERNMENT PRINTING OFFICE: 1971 O - 446-906 
