Size Letters Required Visibility Function by Gerald Howett (7 results)
- Softcover
Seller: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
Contact seller5-star sellerCondition: New
£ 22.09
Free ShippingShips within U.S.A.Quantity: 15 available
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
Seller: PBShop.store UK, Fairford, GLOS, United KingdomPBShop.store UK
Contact seller5-star sellerCondition: New
£ 20.73
£ 3.29 shippingShips from United Kingdom to U.S.A.Quantity: 15 available
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Hardcover
Seller: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
Contact seller5-star sellerCondition: New
£ 30.20
Free ShippingShips within U.S.A.Quantity: 15 available
HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Hardcover
Seller: PBShop.store UK, Fairford, GLOS, United KingdomPBShop.store UK
Contact seller5-star sellerCondition: New
£ 27.74
£ 4.16 shippingShips from United Kingdom to U.S.A.Quantity: 15 available
HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
- Print on Demand
Seller: Forgotten Books, London, United KingdomForgotten Books
Contact seller4-star sellerCondition: New
£ 13.89
Free ShippingShips from United Kingdom to U.S.A.Quantity: Over 20 available
Paperback. Condition: New. Print on Demand. This book explores the crucial link between letter size and visibility in signage, providing practical guidance for designers and specifiers. Drawing on a wealth of empirical research, the author presents a simple formula that determines the optimal letter size for any given viewing di…stance and observer visual acuity. The formula is based on the assumption that beyond a few meters, a person's visual acuity is primarily determined by the visual angle subtended by an object. By incorporating allowances for variations in contrast and background luminance, the book equips readers with the tools to compensate for non-standard conditions. The author emphasizes that letter size should not be a one-size-fits-all approach but rather customized to accommodate different viewing distances and individual visual abilities. Proper consideration of these factors ensures effective communication and safety, particularly in situations where signs convey critical information or warnings. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.
- Hardcover
- Print on Demand
Seller: True World of Books, Delhi, , IndiaTrue World of Books
Contact seller5-star sellerLeatherBound. Condition: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. I…llustrations, Index, if any, are included in black and white. Each page is checked manually before printing. Pages: 81 As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 81 Volume N chnical No 1180 Language: English.
More images- Hardcover
- Print on Demand
Seller: Gyan Books Pvt. Ltd., Delhi, , IndiaGyan Books Pvt. Ltd.
Contact seller5-star sellerCondition: New
£ 29.44
Free ShippingShips from India to U.S.A.Quantity: Over 20 available
Leather Bound. Condition: New. Language: English. Language: English. Presenting an Exquisite Leather-Bound Edition, expertly crafted with Original Natural Leather that gracefully adorns the spine and corners. The allure continues with Golden Leaf Printing that adds a touch of elegance, while Hand Embossing on the rounded spine l…ends an artistic flair. This masterpiece has been meticulously reprinted in 2025, utilizing the invaluable guidance of the original edition published many years ago in. The contents of this book are presented in classic black and white. Its durability is ensured through a meticulous sewing binding technique, enhancing its longevity. Imprinted on top-tier quality paper. A team of professionals has expertly processed each page, delicately preserving its content without alteration. Due to the vintage nature of these books, every page has been manually restored for legibility. However, in certain instances, occasional blurriness, missing segments, or faint black spots might persist. We sincerely hope for your understanding of the challenges we faced with these books. Recognizing their significance for readers seeking insight into our historical treasure, we've diligently restored and reissued them. Our intention is to offer this valuable resource once again. We eagerly await your feedback, hoping that you'll find it appealing and will generously share your thoughts and recommendations. Lang: - English, Vol:- Volume NBS Technical Note 1180, Pages:- 78, Print on Demand. If it is a multi-volume set, then it is only a single volume. We are specialised in Customisation of books, if you wish to opt different color leather binding, you may contact us. This service is chargeable. Product Disclaimer: Kindly be informed that, owing to the inherent nature of leather as a natural material, minor discolorations or textural variations may be perceptible. Explore the FOLIO EDITION (12x19 Inches): Available Upon Request. Volume NBS Technical Note 1180 78 78.
