Accordeon - Invented by Damian, a Viennese, a. d. 1829.

Actinometer - Invented by Sir John Herschel, A. d. 1825.

AEolian Harp - Invented by Athanasius Kircher (German), a.d. 1653.

Air Brakes for railway cars - Invented by George Westinghouse, (American), a. d. 1871.

Air Gun - Invented by Marin, of Lesseau, Normandy, a. d. 1408.

Air Pump - Invented by Otto von Guericke, of Magdeburg, A. D. 1G54.

Alum - Manufactured at Smyrna in the 13th century.

Aluminium - A metal, discovered by F. Wohler, A. D. 1827.

Anaesthesia - Discovered by Dr. Horace Wells, a. D. 1884.

Anchor - First forged in England, A. d. 578, invented by Anacharsis 594 b. c.

Anemometer - Invented by Wolfius, a. d. 1709.

Antimony - A metal, first extracted from the ore by Basilius Valentinus, a. d. 1490.

Arsenic - Discovered by Schroder, a. d. 1694.

Automatic Circuit Breaker - For Electro-Harmonic, in telegraphy, by 0. Gray, a. d. 1876.

Automatic Valve Gear, for Newcomen steam engine, invented by Humphrey Patten, 1713.

Backgammon - Invented by Palamedes of Greece about 1224 B. c.

Balloon - The first inception, by Jesuit Francis Lana, a. d. 1670.

Bank - The first mention of it occurs at Rome 352 B. C.

Barometer - Was invented by Torricelli, a. d. 1643.

Bassoon - Invented by Alfranio in a. D. 1539.

Bayonet - Invented in Bayonne, France, a. d. 1640.

Bellows - Invented by Anacharsis, 593 B. c.

Bismuth - A metal, by Basilius Valentinu.j in the 15th century.

Blood Circulation - Discovered by Dr. William Harvey, a. d. 1617.

Bombs - Invented at Vcnlo, Holland, in 1495.

Borax - Its chemical nature was discovered by Geoffrey, a. d. 1732.

Brandy - Manufactured in France early in the 14th century.

Bromine - Discovered by Balard of France, A. D. 1826.

Bullets - Made of stone were in use A. d. 1514.

Bullets - Made of iron are mentioned a. d. 1550.

Bullets - rMade of lead before the 17th century.

Butter - Was used as food by the ancient Hebrews.

Butter, Artificial - Oleomargarine, invented by M. Mege Monries, Paris, A. D. 1869.

Cable Railways, Underground - Invented by A. S. Hallidie, San Francisco, Cal., a. d. 1871.

Cadmium - A metal discovered by Friedrich Stromeyer of Gottingen, a. D. 1818.

Caesium - A metal discovered by Kirchoff and Bunsen, A. D. 1860-61.

Calcium - A metal first isolated by Sir Humphrey Davy, a. d. 1808.

Caliper Compass - Invented in Nuremberg, A. D. 1540.

Calomel - Mentioned by Crollius in the 17th century, but undoubtedly known at an earlier period.

Camera Obscura - Said to have been invented in the 16th century by Baptisa Porta; invention claimed by some for Roger Bacon, A. D. 1290

Cannon - Said to have been used in the 12th and 13th centuries by the Moors; were used by the Spaniards, A. D. 1309, at the taking of Gibraltar; were used by Edward III of England, a. D. 1327, in his campaigns against the Scots; were used by the French, a. D. 1338, at the siege of Puy Guillaume. Cannon first made for iron balls A. D. 1440.

Mortars came into use, A. D. 1435, at the siege of Naples.

Howitzers came into use, a. d. 1697, at the siege of Ath.

Carronades were introduced about A. D. 1779.

Brass Cannon were cast in England by John Owen, A. D. 1535.

Camel Machine- -Invented by Bakker about 1688.

Carbon - Discovered by Antoine Lavoisier of France, A. D. 1788.

Carbonic Acid Gas - discovered by Dr. Black a. d. 1757; liquefied by

Faraday, a. d. 1823.

Celluloid Billiard Balls - Invented by J. W. and I. S. Hyat, a. d. 1869.

Chloral - First obtained by Liebig, a. d. 1831.

Chlorine - First obtained by Scheele, A. d. 1774.

Chloroform - Discovered by Samuel Guthrie of Sacketts Harbor, N. Y., a. d. 1831.

Chromium - A metal discovered by Vauquelin, A. D. 1797.

Chronometer - ]First experiment with chronometers on a voyage to the coast of Guinea by Major Holmes, A. D. 1665.

Clarionets - Invented by John Christopher Denner of Leipsic, A.d. 1690.

Clock - Invented in the 6th century by Boethius.

Water Clocks - Invented by Scipio Nasica, 159 B. C.

Cobalt - Discovered as a metal by Brandt, A. d. 1733.

Coin - Brass money is spoken of by Homer as existing 1184 B. C.; bronze was coined in China 1120 B. C.; first copper and silver money was coined by Pheidon, King of Argos in AEgina, 895 E. c.; tin coin was coined by Dionysius of Syracuse; gold was first coined in Rome 207 B. c.; leaden coin is current in the Burman Empire; platinum was coined in Russia, a. d. 1828-1845.

Columbium - A metal discovered by Mr. Hatchett, a. d. 1801.

Cotton Gin - Invented by Eli Whitney, a. d. 1793.

Cyanogen - A gas discovered by Gay-Lussac, A. D. 1815.

Diamonds - The mines of Golconda, India, were discovered A. D. 1534.

Diamond Drills - Invented by Rudolphe Leschot, A. d. 1864.

Dice -Invented by Palamedes about 1224 b. c.

Didymium - A metal discovered by Mosander, a. d. 1841.

Diving Bell - First used in Europe, a. d. 1509.

Drum - An Oriental invention introduced by the Moors into Spain, A. D. 713.

Dynamite - Invented by Ascagne Sobrero, 1846. Electricity - The electrical properties of certain bodies were discovered about 600 B. C, by Thales of Miletus.

Electric Light - Invented by C. F. Bush, 1879; T. A. Edison, 1879.

Electric Light Carbon - Invented by M. Paul Jablochkoff, Paris, 1877.

Electric Railway - Invented by T. A. Edison, 1881.

Electrotype - Invented by Professor Jacobi in 1839.

Erbium - A metal discovered by Mosander, a. d. 1843.

Eudiometer - Invented by Dr. Priestly, a. d. 1772.

Flute - Known to the ancient Greeks.

French Horn - Was invented in the 18th century.

Galvanic Battery - First constructed by Volta, a. d. 1800.