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. 1894 Excerpt: ...leaving the lens. Call the point through which all the refracted light passes the principal focus of the lens. Inf. What would you call its distance from the lens? Image Of An Object. EXPERIMENT 172. (At school.) In a darkened room place the flame of a candle just beyond the principal focus of a double-convex lens. Obs ...
Read More
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. 1894 Excerpt: ...leaving the lens. Call the point through which all the refracted light passes the principal focus of the lens. Inf. What would you call its distance from the lens? Image Of An Object. EXPERIMENT 172. (At school.) In a darkened room place the flame of a candle just beyond the principal focus of a double-convex lens. Obs. Find the image on white paper on the other side of the lens. Describe the image. (How far away compared with the object? How large? Erect or inverted?) EXPERIMENT 173. (At school.) Increase the distance of the flame from the lens, and tell how the image changes. How far is the flame from the lens when the image is of the same size as the object? Human Eye. Describe the human eye and explain how we see. Simple Microscope. Look through a double-convex lens at an object located within the principal focus. Describe the image seen. Call this lens a simple microscope. Sometimes two or three lenses placed near together are used as a simple microscope. Derive the term microscope. Compound Microscope. EXPERIMENT 174. (At school.) In a darkened room place a candle flame just beyond the principal focus of a small double-convex lens. Find the image of the flame. Place a larger lens just beyond the image made by this lens. Look through the larger lens toward the flame. Describe the image seen. EXPERIMENT 175. (At school.) In a light room substitute any small object for the candle flame, and observe and describe. Call this combination of lenses a compound microscope. Refracting Telescope. EXPERIMENT 176. (At school.) In a darkened room place a candle flame at considerable distance from a large double-convex lens. Just beyond the image formed by this lens, place a small lens. Look through the small lens toward the flame, and describe the image seen. EXPERI...
Read Less
Add this copy of Elementary Lessons in Physics to cart. $100.95, very good condition, Sold by bibliophonics rated 5.0 out of 5 stars, ships from Rapid River, MI, UNITED STATES, published 1894 by Thompson, Brown, and Company.
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very Good. 8vo-over 7¾-9¾" tall. Rare original edition. First printing; no additional dates. Brown full-cloth boards, stamped cover and spine titles, moderate shelf wear, rub. Ornate crest and leaf patterns w/borders to cover. Blind-stamped publisher's insignia initials at back. Pages very good, clean. Bind solid; hinges intact. An introductory text into general physics for the broader interdisciplinary student. Illustrated w/instructional and demonstrative drawings throughout. From preface: It is confidently hoped that these Lessons will meet a a want being increasingly felt by teachers for a suitable text to aid in educating pupils to observe, think, and express thought, and revealing to them some of the laws in accordance w//which physical changes occur. Contents inc. : Nature of, Divisions of, States of, and Changes of, Matter; Force; Gravity; Simple Machines; Heat; Magnetism; Frictional or Static Electricity; Sound; Light; and, Chemistry of Air and Water. Indexed. 161 pages. Printed by the University Press: John Wilson and Son, Cambridge, U.S.A. Insured post.
