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- You don’t mean to say, Estelle, that you are tired of settlement work
“You don’t mean to say, Estelle, that you are tired of settlement work?” “But, Auntie, dear, poor people are so monotonous.” - Wright Brothers' Wind tunnel
They found that a slight curve or camber in the wing section would cause the moving air to travel farther over the top of the wing surface than along the under side. This made the air pressure greater under the wing, gave a suction effect above the wing, and caused it to rise, creating lift. They discovered that a wing section of the proper camber would counteract the weight of gravity. Thus, a wing must be so designed that, with a certain amount of air flowing around it, it would lift a certain weight. They also discovered that air flow against any surface attached to the wing would cause a resistance or drag. Hundreds of experiments in their wind tunnel with various types of wing shapes gave the Wrights a series of tables from which to design a wing that would create the lift for a designed weight. - Wright Brothers first powered airplane
By 1903 the Wright Brothers were ready to build a powered man-carrying flying machine. Their experiments had shown them just how much moving air was necessary to create lift in such a machine. To create the needed thrust, an engine having eight horsepower and weighing not over 200 pounds had to be fitted into the machine. Such an engine was not available, so the Wrights built one in their shop at Dayton, Ohio. They were ready to ship their airplane to Kitty Hawk, N. C., in the fall of 1903. - Wolfe, Model A, 24 H.P
Wolfe, Model A, 24 H.P. H. E. Wilcox Motor Car Company, Minneapolis, Minn. PRICE: $1,800 BODY: Side entrance, rear seat removable SEATS: 5 persons WEIGHT: 1,900 pounds WHEEL-BASE: 108 inches TREAD: 56 inches TIRES, FRONT: 34 × 3½ inches TIRES, REAR: 34 × 3½ inches STEERING: Worm and sector BRAKES: On rear hubs SPRINGS: Full elliptic FRAME: Pressed steel BORE: 4 in.; STROKE: 4 in. CYLINDERS: 4 vertical, tandem MOTOR SUSPENSION: On sub-frame COOLING: Air IGNITION: Jump spark CURRENT SUPPLY: Battery CARBURETER: Float-feed LUBRICATION: Mechanical force feed MOTOR-CONTROL: Spark and throttle CLUTCH: Cone CHANGE GEAR: Sliding type SPEEDS: 3 forward and reverse CHANGE-GEAR CONTROL: Side lever DRIVE: Side chain NOTE: Runabout body fitted to above chassis for a list of $1,700. Light delivery body also furnished on order. - Why aren’t you ready, Isabel
“Why aren’t you ready, Isabel? You know very well the opera begins at eight-fifteen.” “Oh! Gracious! I forgot all about it. I’ve been so busy writing this article on preparedness.” - Who is that tramping around overhead
He: Who is that tramping around overhead? She: Oh, that’s only papa. He always gets restless towards morning. - When women vote
Mrs. Jones officially notified of her election as sheriff. - When they get their rights
“It’s only fair to warn you that my son has never had a father’s care and doesn’t know the first thing about housekeeping.” - When Grandpa thinks of his mother
- We have had a terrible scrap
He: We have had a terrible scrap. “And I came out ahead.” “No. I did. You accepted my apology.” - Waltham-Orient, Model B R., 4 H.P
Waltham-Orient, Model B R., 4 H.P. Waltham Mfg. Co., Waltham, Mass. PRICE: $400 BODY: Runabout SEATS: 2 persons WEIGHT: 600 pounds WHEEL-BASE: 80 inches TREAD: 42 inches TIRES, FRONT: 26 × 2½ in. TIRES, REAR: 26 × 2½ in. STEERING: Tiller BRAKES: On rear hubs SPRINGS: Elliptical front and rear FRAME: Wood BORE: 3¼ in.; STROKE: 4¼ in. CYLINDERS: One in back VALVE ARRANGEMENT: Automatic inlet; mechanical exhaust MOTOR SUSPENSION: Rear on side members of frame COOLING: Air IGNITION: Jump spark CURRENT SUPPLY: Dry battery CARBURETER: Orient LUBRICATION: Oil pump MOTOR-CONTROL: Throttle and spark CLUTCH: Friction CHANGE GEAR: Friction SPEEDS: 5 forward, 2 reverse CHANGE-GEAR CONTROL: Side lever DRIVE: Friction drive NOTE: Furnished with 2 cylinder motor for $50 extra. - Waiting to bat
Waiting to bat - Turning an error into an out
Turning an error into an out - Trying to steal home
Trying to steal home - Tragic Moments 9
The one night a week that he dines at home. - Tragic Moments
Trying to be appreciative while the author of the verses looks over your shoulder. - Tragic Moments
The first stormy night in the cottage you have rented for the summer. - Tragic Moments
Something wrong somewhere—time 8.55 and still waiting for dinner to be announced. - Tragic Moments
A susceptible young man trying to make up his mind which way to turn. - Tragic Moments
Strong-minded Lady (on meeting the bride and groom): I trust you will be as happy as we have been. - Tragic Moments
The Rev. —— reads his latest comedy to his niece. - Tragic Moments
Which shall be her sphere? - Tragic Moments
Dad is introduced to the man of her choice—“the nicest, sweetest thing in all the world." - Tragic Moments
When your mother shows your best girl the door. - Tragic Moments
When your rich aunt arrives unexpectedly and finds you haven’t hung the portrait she sent you at Christmas. - Tragic Moments
His fiancée sees Captain von Hoffenfeffer in civilian clothes for the first time. - Throw to first
Throw to first - Three hundred dollars for that gown
“Three hundred dollars for that gown! Didn’t you get anything off?” “All I dared.” - The Wright Brothers experimental glider
After a year of exhaustive study and experiments with models in their wind tunnel, the Wright Brothers were ready to experiment with a man-carrying glider. With the thoroughness that was typical of every move of the Wrights, the brothers asked the government to let them have information on meteorological conditions all over the country. By studying the weather charts they were able to find a locality where there was a continual flow of wind. This would be nature’s wind tunnel where they could test their glider day after day. Through their study of the charts they found that the wind conditions at Kitty Hawk, on the North Carolina coast, seemed to offer the best possibilities for their glider test. Orville and Wilbur Wright began their experiments with a small man-carrying glider at Kitty Hawk in 1900. From that time until 1903 they made hundreds of successful glider flights and kept accurate records of each flight. They recorded wind velocity, angle of flight, duration of flight, time of day, temperature, humidity, and sky conditions overhead with the typical Wright attention to detail. Each year the Wrights constructed new gliders which embodied principles they had discovered for themselves during their flights at Kitty Hawk. Each glider was larger and had longer and narrower wings than the one before. During the fall of 1902 the brothers recorded nearly a thousand flights in a glider with a wingspan of thirty-two feet. It had a front elevator and a vertical tail which helped to maintain lateral stability. - The Wonders of nature
Fond Grandparent: I was exactly like him at his age. - The Umpire
The Umpire - The Train Ferry
The Train Ferry carries entire trains across rivers where there are no bridges. Some of the largest train boats have several tracks and carry a train on each. The boats are tied in slips at the shore so that the tracks meet exactly those on the land. - The Third Generation
- The Round House
The Round House is the place where the railroad engines are kept when they are not working. The engines are turned around on a big turn table so each can be run on the different tracks which all lead to the turn-table in the centre. - The Reason dinner was late
- The Manager of the team
The Manager of the team - The latest things in mens styles
- The latest craze
- The Hoze nozzle
The Hoze nozzle has been taken up to the roof of a building next the one afire and the firemen are sending the water into the upper floors of the burning building. The hose nozzle is very difficult for the firemen to hold. - The Fire Alarm
The Fire Alarm is sounded by a big gong in the station from street alarm boxes near where the fire occurs. The firemen know these alarm stations so well that they seldom look for the address, but dash off quickly to the correct place. - The Crowd went wild
The Crowd went wild - The brave fireman
The brave fireman rescues many people who are caught in burning buildings, in this way risking his life that others may be saved from the smoke and flames. Many people owe their lives to the bravery of the firemen. - The Automobile Fire Engine
The Automobile Fire Engine can go to the fires very swiftly. Many times the saving of a few minutes by the firemen in reaching a fire means stopping the blaze before it becomes too great. - The Announcement of her engagement
- That’s a fine dog you have there. What breed is it
“That’s a fine dog you have there. What breed is it?” “Sh! Not so loud! He thinks he’s a bulldog.” - That sofa must have been made for two
He: That sofa must have been made for two. She: It’s hardly short enough for that. - Temptation
Just before it’s too late. - Swing and a miss
Swing and a miss - Studies in Expression
Waiting for the flashlight. - Studies in Expression
Making it a jack pot. - Studies in Expression
Reading the play. - Signaling from the dugout
Signaling from the dugout - Seventh Inning - Everybody up
- Scientific American Trophy
Following the success of the "White Wing" we started in to build another machine, embodying all that we had learned from our experience with the two previous ones. Following our custom of giving each machine a name to distinguish it from the preceding one, we called this third aeroplane the "June Bug." The name was aptly chosen, for it was a success from the very beginning. Indeed, it flew so well that we soon decided it was good enough to win the trophy which had been offered by The Scientific American for the first public flight of one kilometer, or five-eights of a mile, straightaway. This trophy, by the way, was the first to be offered in this country for an aeroplane flight, and the conditions specified that it should become the property of the person winning it three years in succession. The "June Bug" was given a thorough try-out before we made arrangements to fly for the trophy, and we were confident it would fulfill the requirements. - Sarah, what is that I smell
Skimpy Mistress (scenting unaccustomed delights): Sarah, what is that I smell? Undernourished Maid of all Work: I think it must come in from next door. - Present plight of the European Debutante
- Pennsylvania, 35 H.P. Pennsylvania Auto Motor Co., Phil., Pa.
PRICE: $2,800 BODY: Mercedes SEATS: 5 persons WEIGHT: 2,550 pounds WHEEL-BASE: 111 inches TREAD: 56 inches TIRES, FRONT: 34 × 4 in. TIRES, REAR: 34 × 4 in. STEERING: Worm and nut BRAKES: Double on rear wheels SPRINGS: Front, 40 in. long; Rear, platform type FRAME: Pressed steel BORE: 4½ in.; STROKE: 5 in. CYLINDERS: 4 vertical, cast separate VALVE ARRANGEMENT: Same side MOTOR SUSPENSION: Direct from sub-frame COOLING: Water; cellular radiator IGNITION: Jump spark CURRENT SUPPLY: Storage battery CARBURETER: Schebler LUBRICATION: Force feed MOTOR-CONTROL: Spark and throttle CLUTCH: Cone CHANGE GEAR: Sliding type SPEEDS: 3 forward and reverse CHANGE-GEAR CONTROL: Selective system DRIVE: Shaft - Out of Work
- Our uncharted coast
Very dangerous. - Orientation of a house to the sun
In the first place, you see three broad, concentric circles, on the outside of which the rising and setting sun is depicted for both midsummer and midwinter day. The figures, 30°–50°, alongside of the sun represent degrees of north latitude, wherever you may happen to live, which, with the exception of most of Florida and southern Texas, cover the United States. The short arrows show the direction of the sun’s rays at sunrise and sunset. The inner circle represents your horizon, and the degrees marked upon it show the points of sunrise and sunset, north or south of the direct east and west line. These angular distances, in terms of degrees, are called amplitudes, north or south, and must not be confused with the degrees of latitude on the earth’s surface, indicated by the numbers along side of the sun, though intimately dependent upon them. The amplitude of the horizon point, where the sun rises and sets from time to time during the year, always depends upon the latitude on the earth’s surface where you happen to live, as may be seen by following with your eye the direction of the arrows of latitude through the amplitude circle. Starting from the number indicating the latitude where you live, trace the arrow until it touches the amplitude circle. You can then read the degree on it which shows how far north or south of the east and west line the sun rises or sets. We are indebted to Professor Philip Fox, of the Dearborn Astronomical Observatory at Evanston, Illinois, for determining these points. The two outer circles are sun-dials for midsummer and midwinter day at the 40th degree of north latitude; and, if you imagined them pivoted on their rising and setting points and tipped up from the south to represent the slanting path of the sun during the day, they show the direction from which the sun is shining during successive hours of the day (or night on the other side of the world). The shaded portions of these circles represent night, which for all northern latitudes is short in summer and long in winter, as the day is short in winter and long in summer. If you examine the hour spaces on the winter dial of your winter night, you will find them exactly like those on the summer dial of your summer day. So also your winter day hours are spaced like your summer night hours. South of the equator, people have precisely the same experiences only in the reverse order. New Zealanders, we fancy, wear straw hats in January and fur caps in July. If you liked summer well enough and cared to move, you could live in a perpetual summer on our little globe. It is probable, however, that, like most people, you rather prefer the change of seasons, in spite of occasional extremes.