Hydron blue G and R, patented paste 20%% and powder . 15 16 17 18 19. DYEINGS OF HYDRON BLUE aftertreated, or topped with Indigo. Nos. 20—25 AFTERTREATED WITH PERBORATE OF according to directions on pages 3 and 4, and aftertreated as given on page 5. No. 20. 5% Hydron Blue G pat. No. 21. 8 % Hydron Blue G pat. Paste 20%. Paste 20%. No. 22. 4% Hydron Blue G pat. No. 23. 5 % Hydron Blue R pat. Paste 20%. Paste 20%. 2% Hydron Blue R pat. 2 % Hydron Blue G pat. Paste 20%. Paste 20%. No. 24. 10% Hydron Blue R pat. No. 25. 13 % Hydron Blue R pat. Paste 20%. Paste 20%. Nos. 26 and 27 AFTERT


Hydron blue G and R, patented paste 20%% and powder . 15 16 17 18 19. DYEINGS OF HYDRON BLUE aftertreated, or topped with Indigo. Nos. 20—25 AFTERTREATED WITH PERBORATE OF according to directions on pages 3 and 4, and aftertreated as given on page 5. No. 20. 5% Hydron Blue G pat. No. 21. 8 % Hydron Blue G pat. Paste 20%. Paste 20%. No. 22. 4% Hydron Blue G pat. No. 23. 5 % Hydron Blue R pat. Paste 20%. Paste 20%. 2% Hydron Blue R pat. 2 % Hydron Blue G pat. Paste 20%. Paste 20%. No. 24. 10% Hydron Blue R pat. No. 25. 13 % Hydron Blue R pat. Paste 20%. Paste 20%. Nos. 26 and 27 AFTERTREATED WITH SULPHATE OF according to directions on pages 3 and 4, and aftertreated as given on page 5. No. 26. 12% Hydron Blue G pat. No. 27. 12 % Hydron Blue R 20%. Paste 20%. Nos 28 and 29 COMBINATIONS WITH fuller particulars regarding combinations with Indigo see page 17. No. 28. 4% Hydron Blue G pat. No. 29. 4,5% Hydron Blue G pat. Paste 20%. Paste 20%. 2% Hydron Blue R pat. 4,5% Hydron Blue R pat. Paste 20%. Paste 20%. topped


Size: 1414px × 1767px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookpu, booksubjectdyesanddyeing