Author
S. D. (Samuel Dwight) Humphrey
1823-1883
S. D. (Samuel Dwight) Humphrey (1823-1883) is a public-domain author available on Rivro. Read free books, explore subjects, and discover related classics.
Books by S. D. (Samuel Dwight) Humphrey
American Hand Book of the Daguerreotype
"American Hand Book of the Daguerreotype" by S. D. Humphrey is a scientific publication written during the mid-19th century. The book serves as a practical manual for amateurs and professionals in the emerging field of photography, particularly focusing on the daguerreotype process, a pioneering photographic technique of the time. The opening portion of the book establishes its intent to provide detailed and reliable methods for mastering the art of daguerreotype photography. Humphrey emphasizes the importance of precise procedures, such as properly polishing and coating the daguerreotype plate, and he provides intricate instructions for each step of the process. The initial chapters outline crucial techniques like buffing the plate, developing images using mercury vapors, and maintaining chemical balance, which are essential for achieving successful photographic results. Furthermore, the author introduces the reader to necessary chemicals, equipment, and precautionary measures, setting the stage for a comprehensive guide aimed at enhancing skills in this complex and delicate art form.
A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper.
"A Practical Manual of the Collodion Process" by S. D. Humphrey is a scientific publication written in the mid-19th century. This manual serves as a comprehensive guide for photographers, particularly those interested in the collodion process, a revolutionary method for producing photographic images on glass and paper. It presents detailed instructions on various techniques, including the creation of ambrotypes, as well as discussions on photographic chemistry. The opening of the manual provides context on the journal from which it has emerged, emphasizing its value in the field of photographic arts and its role as a reliable resource for practitioners and enthusiasts alike. Humphrey introduces the collodion process, highlighting its significance in creating positive and negative images while addressing the importance of understanding light and its properties. This section includes essential foundational knowledge such as the behavior of light through prisms and the mechanics of camera operation, setting the stage for a deeper exploration of the photographic techniques that follow. Overall, the beginning establishes a clear intention to assist photographers in mastering the collodion method through practical guidance and informed chemistry.