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Glass Negative - Winch, Chas Ruwolt Pty Ltd, Engineering Products, Richmond, Victoria, 1928 Image Reg. No: MM 011678

Glass negative depicting a winch.

Prior to the invention of cellulose nitrate film in 1903, photographic emulsion was supported on glass. Two different formats were developed for creating these supports - collodion wet plate negative (early 1850s) and the gelatin dry plate (1871) - however, both formats are commonly referred to as 'glass negatives.' The use of glass negatives greatly increased interest in photography and the gelatin dry plate eventually superceded the collodion wet plate by virtue of being more convenient.

As the collodion wet plate appears to have only been in use until the 1880s it seems likely that this glass negative is an example of the gelatin dry plate method.
Full plate silver gelatin glass negative.
Description Of Content:
Glass negative depicting a piece of machinery that appears to be made up of cogs and wheels. The rest of the image is completely blank.
Acquisition Information:
Donation from Vickers Ruwolt Pty Ltd, 1986
Discipline: Technology
Dimensions: 164 mm (Height), 215 mm (Width)

More information

Tagged with: steam winches
Themes this item is part of: Engineering Collection, Vickers Ruwolt Collection
Primary Classification: MANUFACTURING & INDUSTRY
Secondary Classification: Engineering Products
Tertiary Classification: dredging equipment
Original Caption: WINCH.
Inscriptions: Hand-written on the negative in the bottom right quarter: '43'
Format: Glass Negative: Black & White; Whole Plate
Place & Date Depicted: Richmond, Victoria, Australia, 1928
References: Greta Bahnemann, 'The Preservation of Glass Plate Negatives,' at: http://www.webjunction.org/documents/webjunction/The_Preservation_of_Glass_Plate_Negatives.html, accessed: Sept 3, 2012

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