Journal of the Franklin InstituteVols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
From inside the book
Results 1-5 of 75
Page 55
By dipping the stuffs into a solution of deoxidized indigo , a darker or lighter color is obtained , according to the length of the immersion . Indigo is also of a volatile nature , and this is in fact one of its characteristic ...
By dipping the stuffs into a solution of deoxidized indigo , a darker or lighter color is obtained , according to the length of the immersion . Indigo is also of a volatile nature , and this is in fact one of its characteristic ...
Page 56
This operation communicates a violet tinge to the color of the indigo , without in the least injuring the other true colors fixed on the stuff , which , on the contrary ...
This operation communicates a violet tinge to the color of the indigo , without in the least injuring the other true colors fixed on the stuff , which , on the contrary ...
Page 66
In the early part of last year , ( March 2 , 1851 , ) a specimen of a material for dyeing silk of a fine clear yellow color , without the aid of a a a mordant , was put into my hands for. * From the London Chemical Gazette , July 15th ...
In the early part of last year , ( March 2 , 1851 , ) a specimen of a material for dyeing silk of a fine clear yellow color , without the aid of a a a mordant , was put into my hands for. * From the London Chemical Gazette , July 15th ...
Page 67
... of a small quantity of brown resinous matter ; and on the addition of a little tartaric acid , produced a fine clear yellow on silk by its being immersed in it for a short time ; if a mordant be used , the color is much faster .
... of a small quantity of brown resinous matter ; and on the addition of a little tartaric acid , produced a fine clear yellow on silk by its being immersed in it for a short time ; if a mordant be used , the color is much faster .
Page 69
The method at present in use for the production of “ bleu de France " on wool , consists in boiling the wool in a bath containing ferridcyanide of potassium , an acid and chloride of tin , until the pure blue color is produced .
The method at present in use for the production of “ bleu de France " on wool , consists in boiling the wool in a bath containing ferridcyanide of potassium , an acid and chloride of tin , until the pure blue color is produced .
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
acid action amount apparatus appears applied arrangement attached boiler carbon carried cast cause cent centre chamber claim closed coal colors combination connected consists construction containing cylinder described diameter direction distance effect employed engine equal experiments feet fire flues force frame furnace give given greater heat hour Improvement inches increase Institute invention iron Journal latter lead length less light lower machine manner manufacture material means mechanical metal method miles minute motion moved nature object observed obtained operation oxide pass patent pipe piston placed plate portion position pounds practical present pressure produced proportion quantity railway screw separate shown side slide space specified speed spring square steam stroke substantially surface taken tion train tubes turning valve vessel weight wheel whole York