4. Use the map of your state in the same way to find the distances between the most important cities.

YELLOWSTONE
PARK

WYOMING

Scale 1"-230 Mi.

5.

The map at the left represents the state of Wyoming drawn to a scale of 1"-230 miles. By using this scale, find the length and width of this state in miles.

6. Find the area of Wyoming in square miles, using the length and width found in Problem 5. Compare this area with the correct

area which you can find in your geography.

7. Find the approximate area in square miles of Yellowstone National Park in the northwest corner of the state.

Exercise 17. Shop Drawings

Before making an article in the shop one usually makes a working drawing to serve as a guide. These drawings are usually made to a scale in order to give the correct proportions of the various parts and thus enable the worker to see that his design is properly proportioned.

The working drawing of a book rack, shown below, is drawn to the scale of "=1".

There are two views in this drawing, a side view and an end view. The length of the base and the thickness of the ends are shown in the side view, and the width of the ends and the width of the base are shown in the end view.

1. From the drawing find the length, width and thickness of the baseboard.

2. Find the height, width and thickness of an upright end. 3. How far from each end of the baseboard is each of the upright ends placed?

4. Show how to mark off the corners of the end boards.

5. From the dimensions given in the drawing find the number of board feet of lumber in this book rack.

Count the end pieces before the corners are sawed off. Remember that -inch material is figured as an inch in thickness in estimating the board feet in a piece of lumber.

6. To what scale is the letter rack in the above illustration drawn?

7. What views of the letter rack are shown?

8. How many pieces of wood are needed to make the letter rack?

9. From the drawing, give the dimensions of each piece. 10. Find the number of board feet of lumber in the letter rack.

Exercise 18. House Plans

This illustration shows a reproduction of a floor plan of a small summer cottage that was drawn to a scale by an architect?

1. Measure the width of the drawing with your ruler? How wide is it? From the plan, find the width of the cottage. This plan in the book is then drawn to a scale of 1"? feet.

2. How many rooms are there in this cottage? Give the dimensions of each room.

3. How many windows are there in the plan? By means of the scale, find the width of the windows.

4. How many doors are there in the plan? Find the width of each of the doors.

5. Draw a floor plan for a 4-room cottage of your own design. Use the same means of indicating the various parts of the drawing as shown in the above illustration.

6. How many cubic yards of dirt must be removed to put a cellar under this cottage if the excavation is 5 feet deep?

The house plan shows no inside stairway to the cellar so an outside entrance must be provided. In the above problem make no allowance for this excavation.

7. How much would it cost to excavate for this cellar at $.50 per load? (A load 1 cubic yard of soil.)

=

8. How many cubic feet of concrete would be required for foundation walls 1 foot thick and 7 feet high?

Do not count the corners twice. There are 2 walls 22 feet long, and the ends are only 14 feet long, each side wall being 1 foot thick.

9. How much would it cost for the concrete foundation walls described in problem 8 at $.30 per cubic foot?

Make no allowance for the door for the outside entrance or the windows which would be provided.

10. What are the dimensions of the floor of the cellar?

(Remember that the foundation walls fill up part of the excavation.)

11. How much would it cost to cement the floor of this cellar at $.20 per square foot?

12. If bricks were used instead of concrete for the foundation walls, how many bricks would be required, allowing 22 bricks per cubic foot?

13. How much would these bricks cost at $12 per thousand? What other expense would be involved in a brick foundation?

14. How many bricks are required for a

chimney 27 feet high and built as shown in the diagram at the right, counting 5 bricks to a foot in height?

15. How mucn would the bricks for this chimney cost at $12 per M?

16. The two sides of the roof of this cottage are each 14'x24'. How many square feet of surface are there in both sides of the roof?

17. The unit for measuring roof surface is the "square," which equals 100 square feet. How many "squares" of roofing would be required for the roof of this cottage?

18. Shingles average 4 inches in width. If a shingle is exposed 4 inches to the weather, how many square inches of surface will it cover?

19. How many square inches of surface are there in a square"? How many shingles exposed 4 inches to the weather are needed to cover a "square"?

The first row of shingles must be laid double and some are broken or otherwise defective. For these reasons, carpenters usually count 1000 shingles to a square when they are exposed 4 inches to the weather.

20. How many shingles would be needed to cover the roof of the summer cottage with the dimensions as described in problem 16?

21. How many feet of picture moulding will be needed to go around the walls of the living room? (See the dimensions in the plan.) How much will this molding cost at 8 cents per foot?

22. What sized rugs would you buy for the living room and the chamber?

The most common sizes of rugs are 27" by 54"; 30" by 60'; 41′ by 71'; 6' by 9'; 8' by 101'; 9' by 12'.

23. If you are quoted linoleum per running yard at the following widths find the most economical way to cover the kitchen floor: 6 ft. at $2.50; 7 ft. at $3.35; and 12 ft. at $6.00. the cost for the kitchen covering.

Plan to have no seams and as little waste as possible.

Find

24. Make a list of the furniture that you would buy to equip each room of this summer cottage and the approximate price you would pay for each piece. Find the total cost of the furniture for the cottage.

If the teacher can get a furniture catalog and have it in the schoolroom it will be much more convenient than to have each pupil go to a store or find a catalog for himself.