Variant Details





Main Image: Top / Obverse
PHMh5735t.jpg
Additional Image: Bottom / Reverse
PHMh5735v.jpg
Product Name Ambrotype Variant ID V0000423
Name of Holotype Ambrotype Holotype ID H000089
Product Code/Number
Manufacturer Unknown
Genre(s) Data
Carrier Type glass negative/positive
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) / paint / glass / wood / paper / metal
Distinguishing Features Case containing positive non-reflective photographic image on glass.
Status
Collection of: Powerhouse Museum
Created by Geoff Barker-PhM
Assessment Summary
Remarks Two layer structure, nitric acid or bichloride of mercury bleached collodion emulsion on black japaned glass or blackened backing.
Production Started 1851
Production Stopped ~ 1880
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 ambrotype
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 http://www.nationalarchives.gov.uk/documents/archivesconservation_photo.pdf
Web Ref: Environment
Date Created 29/07/2009
Last Modified by Douglas Elford-NLA
Date Modified 15/09/2009
 
   

Creative Commons License
The Mediapedia work is licensed under a Creative Commons Attribution-Share Alike 2.5 Australia License.