Drafting Equipment

Checking T-Square Accuracy Reverse Sheet Check Line

Using the Protractor

Beam Compass BEAM MOVABLE HEAD PENCIL SPARE PARTS ATTACHMENT EXTENSION BEAM

Drawing Sheet Sizes

Ergonomic Computer Use MONITOR AT OR SLIGHTLY BELOW EYE LEVEL FOREARMS PARALLEL TO FLOOR ADJUSTABLE KEYBOARD SHELF WRIST SUPPORT LUMBAR SUPPORT ADJUSTABLE CHAIR HEIGHT FEET FLAT ON FLOOR

Metric Scale 52.5 8 1 34 1:1 SCALE (1mm DIVISIONS) mm 10 20 30 40 50 10 20 30 40 50 60 70 80 1:1 SCALE (1mm DIVISIONS)

Metric Scale 34 8 53 115 1:2 SCALE (2mm DIVISIONS) mm 20 40 60 80 100 20 40 60 80 100 120 140 160 1:2 SCALE (2mm DIVISIONS)

Metric Scale 38 180 165 5 1:5 SCALE (5mm DIVISIONS) 400 mm 1:5 100 200 100 200 300 1:5 SCALE (5mm DIVISIONS)

Metric Scale 450 50 1250 1800 1:50 SCALE (50mm DIVISIONS) 4 mm 1:50 1 1 2 3 1:50 SCALE (50mm DIVISIONS)

Inch Scale .02 .10 1.04 50 DECIMAL INCH SCALE (FULL SIZE) 2 4 6 8 1 (.02) 2 4 6 8 1 DECIMAL INCH SCALE (FULL SIZE)

DECIMAL INCH SCALE (HALF SIZE) 1.35 4.75 .10 2.40 HALF SIZE 1 2 3 4 5 6 7 8 DECIMAL INCH SCALE (HALF SIZE)

FRACTIONAL INCH SCALE (FULL SIZE) 1 8 1 4 1 16 1 2 1 2 1 16 1 2 FRACTIONAL INCH SCALE (FULL SIZE)

FRACTIONAL INCH SCALE (HALF SIZE) 9 16 3 1 4 1 8 2 10 9 3 8 4 1 FRACTIONAL INCH SCALE (HALF SIZE)

CIVIL ENGINEER SCALE (30 DIVISIONS) Inch Scale 53 17 36 30 2 4 6 8 CIVIL ENGINEER SCALE (30 DIVISIONS)

CIVIL ENGINEER SCALE (10 DIVISIONS) Inch Scale 24.50 4 18 10 1 2 3 4 CIVIL ENGINEER SCALE (10 DIVISIONS)

1/4"=1'-0" SCALE (ARCHITECT’S SCALE) Foot and Inch Scale 7” 2’-9” 1’-0” 92 2 4 1 88 1/4"=1'-0" SCALE (ARCHITECT’S SCALE)

1"=1'-0" SCALE (ARCHITECT’S SCALE) Foot and Inch Scale “ 2 10 1 1” 1’- 2” 1 9 6 3 20 1"=1'-0" SCALE (ARCHITECT’S SCALE)

Checking T-Square Accuracy Draw Line Along T-Square Copyright © 2003 Glencoe/McGraw-Hill

Checking T-Square Accuracy Reverse Sheet Check Line

Using the Protractor Copyright © 2003 Glencoe/McGraw-Hill

Beam Compass BEAM MOVABLE HEAD PENCIL SPARE PARTS ATTACHMENT EXTENSION BEAM Copyright © 2003 Glencoe/McGraw-Hill

Drawing Sheet Sizes Copyright © 2003 Glencoe/McGraw-Hill

Ergonomic Computer Use MONITOR AT OR SLIGHTLY BELOW EYE LEVEL FOREARMS PARALLEL TO FLOOR ADJUSTABLE KEYBOARD SHELF WRIST SUPPORT LUMBAR SUPPORT ADJUSTABLE CHAIR HEIGHT FEET FLAT ON FLOOR Copyright © 2003 Glencoe/McGraw-Hill

Metric Scale 52.5 8 1 34 1:1 SCALE (1mm DIVISIONS) mm 10 20 30 40 50 10 20 30 40 50 60 70 80 1:1 SCALE (1mm DIVISIONS) Copyright © 2003 Glencoe/McGraw-Hill

Metric Scale 34 8 53 115 1:2 SCALE (2mm DIVISIONS) mm 20 40 60 80 100 20 40 60 80 100 120 140 160 1:2 SCALE (2mm DIVISIONS)

Metric Scale 38 180 165 5 1:5 SCALE (5mm DIVISIONS) 400 mm 1:5 100 200 100 200 300 1:5 SCALE (5mm DIVISIONS)

Metric Scale 450 50 1250 1800 1:50 SCALE (50mm DIVISIONS) 4 mm 1:50 1 1 2 3 1:50 SCALE (50mm DIVISIONS)

Inch Scale .02 .10 1.04 50 DECIMAL INCH SCALE (FULL SIZE) 2 4 6 8 1 (.02) 2 4 6 8 1 DECIMAL INCH SCALE (FULL SIZE)

DECIMAL INCH SCALE (HALF SIZE) 1.35 4.75 .10 2.40 HALF SIZE 1 2 3 4 5 6 7 8 DECIMAL INCH SCALE (HALF SIZE)

FRACTIONAL INCH SCALE (FULL SIZE) 1 8 1 4 1 16 1 2 1 2 1 16 1 2 FRACTIONAL INCH SCALE (FULL SIZE)

FRACTIONAL INCH SCALE (HALF SIZE) 9 16 3 1 4 1 8 2 10 9 3 8 4 1 FRACTIONAL INCH SCALE (HALF SIZE)

CIVIL ENGINEER SCALE (30 DIVISIONS) Inch Scale 53 17 36 30 2 4 6 8 CIVIL ENGINEER SCALE (30 DIVISIONS)

CIVIL ENGINEER SCALE (10 DIVISIONS) Inch Scale 24.50 4 18 10 1 2 3 4 CIVIL ENGINEER SCALE (10 DIVISIONS)

1/4"=1'-0" SCALE (ARCHITECT’S SCALE) Foot and Inch Scale 7” 2’-9” 1’-0” 92 2 4 1 88 1/4"=1'-0" SCALE (ARCHITECT’S SCALE)

1"=1'-0" SCALE (ARCHITECT’S SCALE) Foot and Inch Scale “ 2 10 1 1” 1’- 2” 1 9 6 3 20 1"=1'-0" SCALE (ARCHITECT’S SCALE)