Derivation of Name.—The thermometer derives its name from two Greek words, signifying “measure of heat;” a designation which has caused much warm discussion, for the instrument is also employed to tell when it freezes, by those persons who are too scientific to find out by the tips of their fingers and the blueness of their noses.

History and Literature of the Thermometer.—The origin of the instrument is involved in a depth of obscurity considerably below zero; Pliny mentions its use by a celebrated brewer of Bœotia; we have succeeded, after several years’ painful research, in tracing the invention of the instrument to Mercury, who, being the god of thieves, very likely stole it from somebody else. Of ancient writers, there are few except Hannibal (who used it on crossing the Alps) and Julius Cæsar, that notice it. Bacon treats of the instrument in his “Novum Organum;” from which Newton cabbaged his ideas in his “Principia,” in the most unprincipled manner. The thermometer remained stationary till the time of Robinson Crusoe, who clearly suggested, if he did not invent the register, now universally adopted, which so nearly resembles his mode of measuring time by means of notched sticks. Fahrenheit next took it in hand, and because his calculations were founded on a mistake, his scale is always adopted in England. Raumur altered the system, and instead of giving the thermometer mercury, administered to it ‘cold without,’ or spirits of wine diluted with water. Celsius followed, and advised a medium fluid, so that his thermometer is known as the centigrade. De Lisle made such important improvements, that they have never been attended to; and Mr. Sex’s differential thermometer has given rise to considerably more than a half-dozen different opinions. All these persons have written learnedly on the subject, blowing respectively hot or cold, as their tastes vary. The most recent work is that by Professor Thompson—a splendid octavo, hot-pressed, and just warm from the printer’s. Though this writer disagrees with Raumur’s temperance principles, and uses the strongest spirit he can get, instead of mercury, we are assured that he is no relation whatever to Messrs. Thompson and Fearon of Holborn-hill.

Concluding Remarks and Description of Punch’s Thermometer.—It must be candidly acknowledged by every unprejudiced mind, that the thermometer question has been most shamefully handled by the scientific world. It is made an exclusive matter; they keep it all to themselves; they talk about Fahrenheit with the utmost coolness; of Raumur in un-understandable jargon, and fire whole volleys of words concerning the centigrade scale, till one’s head spins round with their inexplicable dissertations. What is the use of these interminable technicalities to the world at large? Do they enlighten the rheumatic as to how many coats they may put on, for the Midsummer days of this variable climate? Do their barometers tell us when to take an umbrella, or when to leave it at home? No. Who, we further ask, knows how hot it is when the mercury stands at 120°, or how cold it is when opposite 32° of Fahrenheit? Only the initiated, a class of persons that can generally stand fire like salamanders, or make themselves comfortable in an ice-house.

Deeply impressed with the importance of the subject, PUNCH has invented a new thermometer, which may be understood by the “people” whom he addresses—the unlearned in caloric—the ignorant of the principles of expansion and dilatation. Everybody can tell, without a thermometer, if it be a coat colder or a cotton waistcoat warmer than usual when he is out. But at home! Ah, there’s the rub! There it has been impossible to ascertain how to face the storm, or to turn one’s back upon the sunshine, till to-day. PUNCH’S thermometer decides the question, and here we give a diagram of it. Owing a stern and solemn duty to the public, PUNCH has indignantly spurned the offers of the British Association to join in their mummeries at Plymouth—to appear at their dinners for the debasement of science. No; here in his own pages, and in them only, doth he propound his invention. But he is not exclusive; having published his wonderful invention, he invites the makers to copy his plan. Mr. Murphy is already busily arranging his Almanac for 1842, by means of a PUNCH thermometer, made by Carey and Co.

PUNCH’S THERMOMETER.

THE SCALE ARRANGED ACCORDING TO FAHRENHEIT.
Iced bath110
Cold bath98Blood heat.
Coat Off90
Stock loosened88
Cuffs turned up85
One waistcoat80
Morning coat all day75
One Coat65Summer heat.
Spencer55Temperate.
Ditto, and “Comfortable”52
GREAT COAT50
Ditto, and Macintosh45
Ditto, ditto, and worsted stockings43
Ditto, ditto, ditto, and double boxcoat and Guernseys35
Ditto, ditto, ditto, ditto, ditto, and bear-skin coat32Freezing.
Ditto, ditto, ditto, ditto, ditto, ditto and between twofeather beds all day0Zero.

THE SPEAKERSHIP.

The Parliamentary lucus a non lucendo—the Speaker who never speaks—the gentleman who always holds his own tongue, except when he wants others to hold theirs—the man who fills the chair, which is about three times too big for him—is not, after all, to be changed. But the incoming tenants of office have resolved to take him as a fixture, though not at a fair valuation; for they do nothing but find fault all the time they are agreeing to let him remain on the premises. For our own part, we see no objection to the arrangement; for Mr. Lefevre, we believe, shakes his head as slowly and majestically as his predecessors, and rattles his teeth over the r in oR-der, with as much dignity as Sutton, who was the very perfection of Manners, was accustomed to throw into it. The fatigues of the office are enough to kill a horse, but asses are not easily exterminated. It is thought that Lefevre has not been sufficiently worked, and before giving him a pension, “the receiver must,” as the chemist say, “be quite exhausted.” Tiring him out will not be enough; but he must be tired again, to entitled him to a re-tiring allowance.