ssa _ tpe yy ar es . yd s kK de * ia thos pee 4 ¥ a ope! Pee + Lo aq " . : Eee oS \ of 8 Te? ¥ Je. one > Rear J . i r . ‘ A ‘ . ae eee * Wt prmgencbnemenaniines = Sam pe tye wet oy St waste es 3 peejhe ”ane Te Lg ie» E * . A am ay #* LOGARITHMIC “ a 5 ngrae reed i ~ ~ ha ra na any therd scaies & i mm trea Ww Ore i 7 4 t — 0 180 ‘ Dd r 8 On thard scale. m MANEUVERING BOARD.... t Price 75 cents (per pad pf 50} {os g<°S Tush. eae . eg eee ! 4 . + 4 ~{- 600 ™ A . ™ L |. 800 _ Washington, OC, putaished May 16 under the authority of tha SECF s