2012, ISBN: 1130099091

[EAN: 9781130099096], Neubuch, [PU: Rarebooksclub.com, United States], Language: English Brand New Book ***** Print on Demand *****. This historic book may have numerous typos and missing… More...

[EAN: 9781130099096], Neubuch, [PU: Rarebooksclub.com, United States], Language: English Brand New Book ***** Print on Demand *****. This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: .of water required daily for each person in a family is estimated at from one gallon to four gallons, some towns construct water plants which are able to furnish fifteen gallons of water per person. In some large manufacturing places water plants are so constructed as to furnish 200 or more gallons for each inhabitant. Experiment to Show Water Pressure.--Heat a piece of glass tubing until it is soft. Draw it out to a small jet. Attach one end of the jet to a rubber hose, and place the other end in a dish of water. Fill the tubing with water by sucking the air out. Hold the jet upright but having the dish considerably Q higher than the jet. Raise and lower the dish of water to represent a lake or other source of water supply at different levels. What is the relation between the height of the source of water supply and the jet? What is necessary that we may be supplied with water from our faucets? Questions 1. Why is it possible for a person to float in water? 2. How much do a boat, engine, people, and material on a boat weigh if the boat displaces 10,000 cu. ft. of water? 3. When you get into a rowboat how much more water must the rowboat displace? 4. Why is it easier to swim in salt water? 5. Would a body a cubic foot in size weighing 125 pounds float in water? 6. Why is water more likely to enter the ear during a deep dive than during a shallow dive? 7. Why will a submarine float? 8. What must be done to make it sink? 9. Why is a fish with a swimming bladder able to rise and sink in water? CLEANING OF FABRICS Water as a Solvent.--Water is a solvent for many things, but not for such substances as grease, oil, fat, tar, etc. Dirt or spots on clothing which water will not remove are usually of a fatty or oily character. A mixture of soap and water, howev.<

2012, ISBN: 1130099091

[EAN: 9781130099096], Neubuch, [PU: Rarebooksclub.com, United States], Language: English Brand New Book ***** Print on Demand *****.This historic book may have numerous typos and missing … More...

[EAN: 9781130099096], Neubuch, [PU: Rarebooksclub.com, United States], Language: English Brand New Book ***** Print on Demand *****.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: .of water required daily for each person in a family is estimated at from one gallon to four gallons, some towns construct water plants which are able to furnish fifteen gallons of water per person. In some large manufacturing places water plants are so constructed as to furnish 200 or more gallons for each inhabitant. Experiment to Show Water Pressure.--Heat a piece of glass tubing until it is soft. Draw it out to a small jet. Attach one end of the jet to a rubber hose, and place the other end in a dish of water. Fill the tubing with water by sucking the air out. Hold the jet upright but having the dish considerably Q higher than the jet. Raise and lower the dish of water to represent a lake or other source of water supply at different levels. What is the relation between the height of the source of water supply and the jet? What is necessary that we may be supplied with water from our faucets? Questions 1. Why is it possible for a person to float in water? 2. How much do a boat, engine, people, and material on a boat weigh if the boat displaces 10,000 cu. ft. of water? 3. When you get into a rowboat how much more water must the rowboat displace? 4. Why is it easier to swim in salt water? 5. Would a body a cubic foot in size weighing 125 pounds float in water? 6. Why is water more likely to enter the ear during a deep dive than during a shallow dive? 7. Why will a submarine float? 8. What must be done to make it sink? 9. Why is a fish with a swimming bladder able to rise and sink in water? CLEANING OF FABRICS Water as a Solvent.--Water is a solvent for many things, but not for such substances as grease, oil, fat, tar, etc. Dirt or spots on clothing which water will not remove are usually of a fatty or oily character. A mixture of soap and water, howev.<