Nautical charts . int is, however,quite appreciably smaller in scale than the plate, andthe shrinkage is greater in one direction than in theother. The average days work for one press and twomen is 75 prints. This is small compared with theoutput practicable with lithographic presses. On theother hand a plate can be prepared for printing morereadily than a lithographic stone. For small editionsthe plate printing compares well in economy withlithographic printing, and the plate can also be printedon short notice. Because of changes in aids to naviga-tion and other corrections, it is usually des
Nautical charts . int is, however,quite appreciably smaller in scale than the plate, andthe shrinkage is greater in one direction than in theother. The average days work for one press and twomen is 75 prints. This is small compared with theoutput practicable with lithographic presses. On theother hand a plate can be prepared for printing morereadily than a lithographic stone. For small editionsthe plate printing compares well in economy withlithographic printing, and the plate can also be printedon short notice. Because of changes in aids to naviga-tion and other corrections, it is usually desirable toprint at one time only a sufficient number of copiesof a chart to meet current demands, and not to carrya large stock on hand. The copper plates, bassos, and altos make a veryconvenient and enduring means of preserving thechart ready for printing or for further correction. Alarge number of plates can be placed in a small space,and if properly cared for they may be stored indefinitelywithout FIG. 30. PRINTING CHARTS FROM COPPER PLATES; FINAL CLEANING OF THE PLATEBY HAND; PLATE PRESS ON THE LEFT.
Size: 1884px × 1327px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookp, booksubjectnauticalcharts
