US31432A - Improvement in baths for toning photographic pictures - Google Patents
Improvement in baths for toning photographic pictures Download PDFInfo
- Publication number
- US31432A US31432A US31432DA US31432A US 31432 A US31432 A US 31432A US 31432D A US31432D A US 31432DA US 31432 A US31432 A US 31432A
- Authority
- US
- United States
- Prior art keywords
- baths
- improvement
- photographic pictures
- toning
- toning photographic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000203 mixture Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 4
- 229960000583 Acetic Acid Drugs 0.000 description 2
- LWJROJCJINYWOX-UHFFFAOYSA-L Mercury(II) chloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/3046—Processing baths not provided for elsewhere, e.g. final or intermediate washings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper (AREA)
Description
4 UNITED STATES P TENT OFFICE RUFUS ANSON, OF NEW YORK, N. Y.
IMPROVEMENT IN BATHS FOR TONING PHOTOGRAPHIC PICTURES.
Specification forming part of Letters Patent No. 3 2, 332. dated February 19, 1851.
To all whom, it may concern:
Be it known that I, RUFUs ANSOX, of the city and county of New York, in the State of New York, have invented a new and Improved Bath for Toning Photographic Pictures; and I do hereby declare that the following is a full and exact description thereof.
To sixteen (1(3) ounces of water add half an ounce of acetate of lead; dissolve. Then put in a separate bottle four 1) grains of bichloride of mercury. Dissolve this in two (2) ounces ofwater. To this latter mixture add two (2) grains hyposulphate of soda, which solution, when dissolved, becomes milky white. Then add this mixture to the aforesaid solution oi'lesul, together with eight (8) ounces of hyposulphai'e of soda. After shaking Well, add to the mixture two (2) drains glacial acetic acid.
\Vhat I claim as my invention, and desire to secure by Letters Patent, is
The use of hichloride of mercury, in com-
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US31432A true US31432A (en) | 1861-02-19 |
Family
ID=2101065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US31432D Expired - Lifetime US31432A (en) | Improvement in baths for toning photographic pictures |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US31432A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637244A (en) * | 1982-11-26 | 1987-01-20 | Robert Maurer | Meter provers |
| US5052212A (en) * | 1988-10-19 | 1991-10-01 | Calibron Systems, Inc. | Dynamic leak detector |
| US5052211A (en) * | 1988-10-19 | 1991-10-01 | Calibron Systems, Inc. | Apparatus for determining the characteristic of a flowmeter |
-
0
- US US31432D patent/US31432A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637244A (en) * | 1982-11-26 | 1987-01-20 | Robert Maurer | Meter provers |
| US5052212A (en) * | 1988-10-19 | 1991-10-01 | Calibron Systems, Inc. | Dynamic leak detector |
| US5052211A (en) * | 1988-10-19 | 1991-10-01 | Calibron Systems, Inc. | Apparatus for determining the characteristic of a flowmeter |
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