List of Plates.
Plate	I.	Fig.	1.	Plan of K & E Polar Planimeter.
		Fig.	2.	Plan of Test Plate.
		Fig.	3.	Elevation of Tracer.
Plate	II.	Fig.	1.	Diagrams for Finding Setting for any given Reading for an Actual Area of 10,000 Sq. mm.
Plate	III.	Fig.	1.	Plan Showing Position of Tracer Arm for Tracing Zero Circle.
		Fig.	2.	Diagram Showing Line of Slipping, Directrix and Zero Circle.
		Fig.	3.	Attachment and Adjustment of Planimeter for Tracing Indicator and Similar Diagrams.
Plate	IV.	Fig.	1.	Arrangement of End Sections for Finding Mean Section and Volumes of Continuous Prismoids.
		Fig.	2.	Graphical Record of Average Discharge of a River.
		Fig.	3.	Arrangement of End Sections for Finding Volumes of Continuous Prismoids.
		Fig.	4.	Section of Iron Beam or Girder for Finding Weight per Lineal Foot.
Plate	V.	Fig.	1.	Graphical Record of a Variable for Finding Average Value.
		Fig.	2.	Diagrams Showing “Most Favorable Position” for Rolling Planimeter.
		Fig.	3.	Diagram Showing “Most Favorable Position” for K & E Polar Planimeter.
		Fig.	4.	Diagram Showing “Most Favorable Position” for Simple Polar Planimeter.
		Fig.	5.	Diagram Showing “Most Favorable Position” for Precision Disk Planimeter.
		Fig.	6.	Cross-Section of a Brick Lined Tunnel or Sewer to Illustrate Method of Measurement of Brickwork.
Plate	VI.	Fig.	1.	Diagram Showing Planimeter, Template and Cross-Section Paper for Measurement of Volumes of Continuous Prismoids from Field Notes Direct.
Plate	VII.	Fig.	1.	Diagram Showing Arrangement of Contours for Measurement of Volumes from Original and Final Contours.
Plate	VIII.	Fig.	1.	Plan of Reservoir Showing Arrangement of Diagram for Measurement of Volumes of Excavation from Original and Final Contours.
Plate	IX.	Fig.	1.	Detail Plan of Coradi Compensating Planimeter.
		Fig.	2.	Elevation of Tracer and Tracer Rest.
		Fig.	3.	Plan of Test Plate.
		Fig.	4.	Elevation of Pole and Polar Arm.
		Fig.	5.	Diagram Showing Positions of Compensating Planimeter in Tracing Areas.
		Fig.	6.	Diagram Showing Positions of Compensating Planimeter in Tracing Areas.
Plate	X.	Fig.	1.	Diagram Illustrating Method of Measurement of Volumes from Original Contours in Grading over Extended Areas.
		Fig.	2.	Contour Diagram of Reservoir Site and Dam Illustrating Method of Measurement of Contents and Areas of Reservoirs.
Plate	XI.	Fig.	1.	Detail Plan of Coradi Rolling Planimeter.
		Fig.	2.	Elevation of Planimeter.
		Fig.	3.	Longitudinal Section of Planimeter.
		Fig.	4.	Elevation of Tracer and Rest.
Plate	XII.	Fig.	1.	Diagram Showing Components of Motion of Tracer of Planimeter.
		Fig.	2.	Diagram Showing Rolling and Slipping Components of Wheel Movements.
		Fig.	3.	Diagram Showing Relation of Roll of Wheel to Area Traced.
		Fig.	4.	Diagram Showing Principal Parts of Planimeter with Instrument Constants, Dimensions, &c.

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