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- Daedalus and Icarus
- The flight of Etana
- Besnier and his wings
- Leonardo da Vinci's Glider and Parachute Idea
- Octave Chanute experimenting with his gliders on the Michigan sand dunes
- The Aerodrome
- Wright Brothers' Bicycle shop
- Wright Brotherrs wind tunnel
- Wright Brothers' Wind tunnel
- The Four forces of flight
- The Wright Brothers experimental glider
- Wright Brothers first powered airplane
- Blundell’s Impellor
- Drawing Blood for Transfusion
- Kimpton-Brown Tube
- Mr. Higginson’s Transfusion Instrument
- The water tank
- An observation train
- The Train Ferry
- The Stage coach
- The tunnels
- Field Artillery
- Standard American upright action
- Upright action showing lost-motion device
- Grand pianoforte action with metallic action and damper frames
- Standard modern American grand action
- Double repetition action of Sebastian Erard as used by S. & P. Erard, Paris
- The Erard grand action modified by Herz
- Action by Andreas and Nanette (Stein), Streicher Viennese escapement (1794)
- English direct lever grand action, developed by Broadwood from Backers (1884)
- Cristofori’s action in its final form
- Iron plate for upright pianoforte with Agraffes (Mehlin patents)
- Arrangement of iron plate, braces and scale of parlor size grand pianoforte
- Iron plate for upright pianoforte fitted with Capo D’astro bar
- Sketch of iron plate for concert grand
- Back view of upright pianoforte
- Jonas Chickering’s full solid cast grand metal plate
- Modern method og grand pianoforte case construction
- 'Great Republic'
- Horse-boat at Empy’s Ferry, Osnabruck, Ontario
- Miller’s twin boat on Loch Dalswinton, 1788
- Symington’s ‘Charlotte Dundas,’ 1802
- Bell’s ‘Comet,’ off Dumbarton on the Clyde, 1812
- “Columba,” famous Clyde river steamer, 1875
- 'Wilhelm Kaiser' On The Rhine, 1886
- Fulton’s ‘Clermont’ on The Hudson, 1807
- Mississippi steamboat ‘J. M. White,’ 1878
- 36-inch searchlight and controller
- 5 inch R.F. gun and breech mechanism
- An assembled mine
- Block swings free to right of gun
- Breech in normal position—closed
- Frankford arsenal 21-second combination fuse
- Frankford arsenal centrifugal fuses
- 36-inch searchlight and controller
- Frankford arsenal time percussion or combination fuse - Model 1900
- boat-telephone
- rotating crank-catch turned 90°
- the block released
- Model of Roman Catapult