for gas it is a cheap fuel if human energy and time are considered. The application of a match makes the full power of the stove available at once and as soon as work is done, the flame may be shut off. Any desired degree of heat may be obtained at short notice with no waste of fuel and no debris to be cared for. The stoves occupy small space and each part may be used independently. 100 THOUSAND 10 THOUSAND (b) Dial of a Gas Meter, (a) At the Beginning of a Month, (b) After Registering the Amount of Gas Used for the Month. The housekeeper should learn to read a gas meter. Each space on the right hand circle passed by the hand indicates the consumption of ioo cubic feet of gas, on the middle circle 1,000 feet, and on the one on the left hand 10,000 feet. Read from left to right, taking the figure just passed by each hand and add two ciphers for the hundreds. A previous reading deducted from the present one shows the amount of gas consumed in a given time. Example. In the illustration, the hand on dial A has just passed the figure 7, indicating 700 cubic feet ; on dial B the hand has passed figure 8 (note that this FIRE. hand moves in the opposite direction to the first), and on dial C the hand has last passed the figure 4. The reading is then, 700-4-8,000-)- 40,000=48,700 cubic feet. I f in a month the hands are in the position indicated in the second figure, the reading is 64,900 cubic feet. The dif- ference between the two read- ings is 64,900 — 48,700=16,- 200 cubic feet. Sixteen thou- sand two hundred cubic feet is the amount consumed for the month. The small dial at the top of the illustration indicates cubic feet and is used only for test- ing the system for leakage. Kerosene and gasoline are useful fuels for summer and emergency use. These are sold by the gallon and only the best qualities should be used. The blue flame kerosene probably are the best of this class of stoves. The small lamp stoves also have merit. They are similar in construction to read- ding lamps and should receive equal care. Two small stoves often are more useful than one large one, be- cause more readily moved where needed. It is essen- tial that such stoves should stand out of a draft. Steam Cooker, Circular Form. Kerosene and Gasoline 12 PRINCIPLES OF COOKERY. Steam Cooker Chafing Dish i. . • '-.■ '■ .'.' • 'iQt- .in . . , .-.-., '^«-| T| . 1 1 1 ■ , • . • l,.- A steam cooker is an invaluable adjunct to the small stoves whether gas or kerosene is burned. Several articles may thus be cooked over one burner and both time and fuel are saved. The Aladdin oven is an arrangement for saving heat. It may be used with an ordinary large lamp or with gas. The iron oven is placed inside a jacket of non-conducting sub- stance, hence little heat is lost. It is especially useful for slow cooking. The Norwegian cooking box is another plan for saving heat. A kettle of food is raised to the boiling point and then packed in a box lined with non-conducting materials.

AI-modernized reading of the original text

for gas it is a cheap fuel if human energy and time are considered. The application of a match makes the full power of the stove available at once and as soon as work is done, the flame may be shut off. Any desired degree of heat may be obtained at short notice with no waste of fuel and no debris to be cared for. The stoves occupy small space and each part may be used independently. 100 THOUSAND 10 THOUSAND (b) Dial of a Gas Meter, (a) At the Beginning of a Month, (b) After Registering the Amount of Gas Used for the Month. The housekeeper should learn to read a gas meter. Each space on the right hand circle passed by the hand indicates the consumption of ioo cubic feet of gas, on the middle circle 1,000 feet, and on the one on the left hand 10,000 feet. Read from left to right, taking the figure just passed by each hand and add two ciphers for the hundreds. A previous reading deducted from the present one shows the amount of gas consumed in a given time. Example. In the illustration, the hand on dial A has just passed the figure 7, indicating 700 cubic feet ; on dial B the hand has passed figure 8 (note that this hand moves in the opposite direction to the first), and on dial C the hand has last passed the figure 4. The reading is then, 700-4-8,000-)- 40,000=48,700 cubic feet. I f in a month the hands are in the position indicated in the second figure, the reading is 64,900 cubic feet. The difference between the two readings is 64,900 — 48,700=16,- 200 cubic feet. Sixteen thousand two hundred cubic feet is the amount consumed for the month. The small dial at the top of the illustration indicates cubic feet and is used only for testing the system for leakage. Kerosene and gasoline are useful fuels for summer and emergency use. These are sold by the gallon and only the best qualities should be used. The blue flame kerosene probably are the best of this class of stoves. The small lamp stoves also have merit. They are similar in construction to reading lamps and should receive equal care. Two small stoves often are more useful than one large one, because more readily moved where needed. It is essential that such stoves should stand out of a draft. Steam Cooker, Circular Form. Kerosene and Gasoline Steam Cooker Chafing Dish i. . • '-.■ '■ .'.' • 'iQt- .in . . , .-.-., '^«-| T| . 1 1 1 ■ , • . • l,.- A steam cooker is an invaluable adjunct to the small stoves whether gas or kerosene is burned. Several articles may thus be cooked over one burner and both time and fuel are saved. The Aladdin oven is an arrangement for saving heat. It may be used with an ordinary large lamp or with gas. The iron oven is placed inside a jacket of non-conducting substance, hence little heat is lost. It is especially useful for slow cooking. The Norwegian cooking box is another plan for saving heat. A kettle of food is raised to the boiling point and then packed in a box lined with non-conducting materials.

Principles of cookery