
Front Cover

Inside Front Cover

Physics & MechanicsWeights, Balances and the Material Pivot

Physics & MechanicsWhy a Weight Falls Faster Along an Arc Than a Chord

Physics & MechanicsGravity, Centre of Gravity, and Powder-to-Ball Proportion

Physics & MechanicsA Balance Hung at Its Centre of Gravity Stays Still

Physics & MechanicsMechanical Science, Balances, and the Centre of Gravity

Physics & MechanicsA Cord-Tied Rod That Cannot Swing; Weights on Inclines

Physics & MechanicsWeights on Two Inclined Planes and the Proportion of Slopes

FlightFeathers, Wing-Bones, and How a Wing Loads Its Supports

FlightBalancing the Airborne Man; a Bird's Course in the Wind

FlightHow Birds Rise, Soar on the Wind, and Glide to Rest

FlightReflex and incident wing-motions of birds in the wind

FlightFlying above the clouds; the sinews of an artificial wing

FlightBuilding the flying machine: strong joints, silk cords, no iron

FlightCentre of gravity and centre of magnitude in a flying bird

FlightSix rules for righting the bird against the wind

FlightThe tail as balance; the wing does not press all its area on air

FlightHow a Bird Rights Itself Against the Wind

FlightThe Wing-Bone as a Wedge; a Rudder to Cut the Wind

FlightBird as Swimmer; Banking, Soaring, and the Wing's Rudder

FlightTurning, Descending, and the Screw-Like Climb of Birds

FlightTruth and Falsehood; Four Kinds of Flight Path

FlightStudies for the Wing of a Flying Machine

FlightHow a bird soars higher by circling on the wind

FlightGuarding the flying machine against a fatal fall

FlightHow the wing's thumb holds a bird still against the wind

FlightThe wing's thumb and the tail as two rudders of flight

FlightThe shoulder pole and how birds soar in a semicircle

FlightThe wing's hand makes the impetus; the elbow wedges the air

FlightImitate the Bat: Membrane Wings and Balance in the Air

FlightFinding the Bird's Center of Gravity

FlightPersuasion for the Undertaking: The Power of Wings

Machines & DevicesRowing the Wing Down and Back; the Gliding Wing Edge-On

Machines & DevicesThe Wing Mechanism: Foot and Hand Row and Feather the Wing

FlightWind, Tail and Balance in Bird Flight

FlightThe Wing in Flapping Flight: Elbow, Air-Wedge and Oval Path

FlightWing Study, the Diary of Lorenzo, and the Prophecy of the Great Bird

ArchitectureRear Inside Cover: Building Facade and Account Column

Rear Cover (Outer)

FlightCodex on the Flight of Birds: Composite Plate of Details