Chemical

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Ingenium, 1985.1009.001
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OBJECT TYPE: solid
DATE: Unknown
ARTIFACT NUMBER: 1985.1009.001

MANUFACTURER: Unknown
MODEL: Paramidophenol Sulphate
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: Glass bottle, paper label and chemical contents

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 3.6 cm
Width: 3.6 cm
Height: 10.3 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Photography
Category: Still processing
Sub-Category: N/A

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: Unknown
Function: Unknown
Technical: Unknown
Area Notes: Unknown

Details

Markings: On the label on the proper front: "KATHOL/ Paramidophenol/ Sulphate/ CONTENTS 1 OZ./ The/ PHOTO CHEMICAL/ COMPANY/ 39 Grenadier Road/ Toronto"/ On the proper left side: "Directions for Developing/ Papers, Films and Plates/ Use KATHOL with your/ favorite formula, reducing/ the amount of Potassium/ Bromide to 1/8 to 1/2 of the/ amount in the formula. If/ you prefer to use the regu-/ lar amount of Bromide,/ add sufficient 25% Sodium/ Hydrate solution to make/ the speed of development/ the same as with Metol./ We suggest the following/ as suitable for most classes/ of developing papers:/ Water - - - 40 ounces/ KATHOL - - 15 grains/ Sodium Sulphite 1/2 ounce/ Hydroquinone 60 grains/ Soium Carbonate - 1/2 oz./ Pott. Bromide/ (10% solution) 4 to 25 drops"/ On the proper back: "Increasing the amount of Bro-/ mide gives more contrasty/ effects and warmer tones./ The developer solution/ will go further if its speed/ is maintained by occasion-/ al additions of a few drops/ of Sodium Hydrate solu-/ tion - U.S. Patent Number/ 1,158,011./ Formula for 20-Minute/ Tank Development/ Water - - - 1 gallon/ KATHOL - - 1/2 oz./ Hydroquinone - 3/4 "/ Sodium Sulphite 5 "/ " Carbonate 3 "/ Potassium Metabisul. 80 gr./ " Bromide 25 "/ Sodium Hydrate - 65 "/ Add enough water to make up to five (5) gallons."
Missing: Appears complete
Finish: Brown glass bottlw with a cracked red seal and brown and black label.
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Unknown Manufacturer, Chemical, Unknown Date, Artifact no. 1985.1009, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1985.1009.001/

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