Variant Details





Main Image: Top / Obverse
PHMP3548-808t.jpg
Additional Image: Bottom / Reverse
PHMP3548-808v.jpg
Product Name Wet-collodion negative Variant ID V0000422
Name of Holotype Wet-collodion negative Holotype ID H000019
Product Code/Number
Manufacturer Unknown
Genre(s) Still Image
Carrier Type glass negative
Process Type photo chemical
Medium Type silver collodion emulsion
Standards
Market Professional
Height various
Width various
Diameter
Depth various
Running Length
Marketed Capacity
Materials collodion (cellulose nitrate, alcohol, ether, silver nitrate) / glass
Distinguishing Features Negative photographic image on glass. Often slightly yellow in hue and variations in the amount of emulsion around the edges.
Status
Collection of: Powerhouse Museum
Created by Geoff Barker-PhM
Assessment Summary
Remarks Two layer structure, collodion emulsion on glass
Production Started 1851
Production Stopped ~ 1945
Application Binder
Binder Stability
Dye/Emulsion/Oxide
Base material glass plate
Back Treated

Back Treated: (μm) or (μ")

Base Thickness: (µm) or (µ")

Dye/Emulsion/Oxide Thickness: (μm) or (μ")

Total Thickness: (µm) or (µ")

Coercity: (Oe) or (kA/m)

Retentivity: (Gauss) or (mT)

Remanence: (nWb/m) or (SatFlux)
PDF Web Link
Image 3 Macro
nophoto.jpg
Image 4 Macro
Required Devices
Required Interface
Required Operating System
Required Applications
Formated Capacity
Required Drivers
Formating Type
Required Accessories
Required Form Factor
Compression/Codec
Requirement Specifications
Transfer Rate
Recording Format
Number Of Cylinders
Process/Technique collodion negative
ISO
Colour Space
Resolution
Process
Block Error Rate
Push Pull Signal
Crosstalk
Reflectivity
Sensitivity
Lightfastness
Read Stability
Life: Manufacturer
Life: Community 150+ years
Web Ref: Materials
Substrate Stability
Image Stability Keep light levels at <50 Lux when in use. 18-20°C (65-68°F) and 40-50% RH.
Re-Formatting Issues
Web Ref: Re-Formatting
Web Ref: Conservation
Web Ref: Environment
Date Created 01/08/2009
Last Modified by Douglas Elford-NLA
Date Modified 15/09/2009
 
   

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