PUBLISHED WEEKLY Park Row (Park Building). Now York. TERMS—Three Dollars per annum—One Dollar in advance for four: months. Single copies of the paper are on sale at the office of publication and at all periodical stores in the United States and Canada. Sampson Low Son & Co. the American Booksellers No. 47 Ludgate London England are the British Agents to receive subscriptions for the SCIENTIFIC AMERICAN. NEW YORK SATURDAY MARCH 14 1863. GRATIS AND ADVICE FOR PAY. For the information of our new subscribers we would state that it is the custom at the office of this paper to examine models
PUBLISHED WEEKLY Park Row (Park Building). Now York. TERMS—Three Dollars per annum—One Dollar in advance for four: months. Single copies of the paper are on sale at the office of publication and at all periodical stores in the United States and Canada. Sampson Low Son & Co. the American Booksellers No. 47 Ludgate London England are the British Agents to receive subscriptions for the SCIENTIFIC AMERICAN. NEW YORK SATURDAY MARCH 14 1863. GRATIS AND ADVICE FOR PAY. For the information of our new subscribers we would state that it is the custom at the office of this paper to examine models or drawings and descrip tions of alleged new inventions and to give written or verbal advice as to their patentability without charge. Persons having made what they consider improvements in any branch of machinery and con templating securing the same by Letters Patent are advised to send st sketth or mofil of it to this office. An examination will be made and an answer returned by early mail. Through our Branch Office located are enabled to make special examinations into the novelty and patentability of inventions. By having the records of the Patent Office to search and the models and drawings &posited therein to examine we are enabled to give an inventor most reliable advice as to the probabilities of his obtaining a patent and also as to the extent of the claim that it is expedient to set up when the papers for an applica tion are prepared. For this special examination at the Patent Office we make a charge of Five Dollars. It is necessary that a model or drawing and a description of the invention should accompany the emittanoe. The publishers of this paper have been engaged in procuring patents for the past SEVENTEEN years during which time they have acted as Attorneys for countries are procured through the agency of this office. Pamphlets of instructions as to the best mode of obtaining patents in this and all foreign countries are furnished free on application. We also
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