Photography Annual: A Compendium of Photographic Information with a Record of Progress in Photography for the Past YearHenry Sturmey Iliffe, Sons & Sturmey, 1894 |
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acid alcohol Aluminium AMATEUR ammonia ammonium anastigmat aperture apparatus Birmingham brass bromide Cadett carbonate chemicals chemist chloride colour dark slides developer diameter dissolving ditto double eikonogen entrance fee exposure extra Fallowfield film finder fitted focal length focus focussing Folding frame front gelatine gives glass half-plate Hand Camera headquarters High Holborn High Street Ilford Ilford plates inches instrument Iris Diaphragm lamp lantern slides lens lenses light London Marion Mawson metol mounted NALDA negative nitrate nitric acid number of members obtained optical Optimus ordinary Paget paper PATENT Phot Photo PHOTOGRAPHIC SOCIETY dates PHOTOGRAPHY ANNUAL Platinotype post free potassium potassium bromide PRESIDENT Price prints quarter-plate rapid rectilinear Rectigraph Rectilinear Lens requisites Road screen screw shutter silver sodium sodium carbonate Soho Square soluble solution Square stars Stereoscopic Studio subscription sulphate sulphocyanide THORNTON-PICKARD tripod Tylar VICE-PRESIDENTS washing whole-plate yellow
Popular passages
Page 18 - Tkt unit of weight is the GRAM, which is the weight of one cubic centimeter of pure water weighed in a vacuum at the temperature of 4 deg. Cent, or 39.2 deg. Fahr., which is about its temperature of maximum density.
Page 221 - Act, and his assigns, shall have the sole and exclusive right of copying, engraving, reproducing, and multiplying such painting or drawing, and the design thereof, or such photograph, and the negative thereof...
Page 223 - For this purpose the negative is taken by the photographer on glass, and from this negative copies can be printed in much larger numbers than are generally required by the customer. The customer who sits for the negative thus puts the power of reproducing the object in the hands of the photographer, and in my opinion the photographer who uses the negative to produce other copies...
Page 19 - Meter (as the new unit was named) was therefore defined to be the ten-millionth part of the distance from the equator to the north pole, measured along the sea level, on the meridian passing through Paris.
Page 222 - The question, therefore, is whether a photographer who has been employed by a customer to take his or her portrait is justified in striking off copies of such photograph for his own use, and selling and disposing of them, or publicly exhibiting them by way of advertisement or otherwise, without the authority of such customer, either express or implied. I say 'express or implied...
Page 221 - Behalf the same shall be so made or executed, but the Copyright shall belong to the Vendee or Assignee of such Painting or Drawing, or of such Negative of a Photograph, or to the Person for or on whose Behalf the same shall have been made or executed ; nor shall the Vendee or Assignee thereof be entitled to any such Copyright, unless, at or before the Time of...
Page 221 - The author, being a British subject or resident within the dominions of the crown, of every original painting, drawing, and photograph which shall be or shall have been made either in the British dominions or elsewhere, and which shall not have been sold or disposed of before the commencement of this act, and his assigns, shall have the sole and exclusive right of copying, engraving, reproducing, and multiplying such painting or drawing, and the design thereof...
Page 10 - ... (r). Thus, if the original dimension be four times as large as its reproduction, we say that r equals (=) 4. Multiply F + f by r, and divide the product by the square of a number greater by one than r (r + 1)«.
Page 10 - NOTE. — In case the above may not be clear to some photographers, the following rules may be better understood : — To find the principal focus of a lens (P), focus a near object in the camera and measure the distance between it and the...
Page 221 - ... expressly reserved to him by agreement in writing, signed, at or before the time of such sale or disposition, by the vendee or assignee of such painting or drawing, or of such negative of a photograph, or by the person for or...