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Three (3) glass collodion positive portraits by J. Lane. 143 Blackfriars Road, c. 1856

Three (3) glass collodion positive portraits by J. Lane. 143 Blackfriars Road

One glass positive of a Lapointe vertical pull-down hydraulic broaching machine. (From negative lent by the Lapointe Machine Tool Co. Ltd.)

Glass positive of a Lapointe vertical pull-down hydraulic broaching machine

One glass positive of an "Excel" surface grinding machine. (From negative loaned by B. Elliott & Co. Ltd).

Glass positive of an "Excel" surface grinding machine

Black and white positive of coloured roses for use with Macdonough viewing screen. Part of a group of specimens of the Macdonough Colour Process of photography, given to Sir W J Herschel in 1901 by Mr Tripp (MFW Cat No 141).

Coloured Roses

1907
Framed glass collodion positive believed to be of Rev. Errington and curates on a 10x8 plate, c. 1855

Framed glass collodion positive believed to be of Rev. Errington and curates on a 10x8 plate

One glass positive of No.16 Vertical Milling Machine.

One glass positive of No.16 Vertical Milling Machine

One glass positive of 50" Broaching Machine.

One glass positive of 50" Broaching Machine

One glass positive of No.3 Auto Lathe with single pulley headstock.

One glass positive of No.3 Auto Lathe with single pulley headstock

Glass collodion positive: man (in case) 5"x4"

Glass collodion positive: man (in case) 5"x4"

Glass collodion positive: man (in frame) 3 1/4'x2 3/4"

Glass collodion positive: man (in frame) 3 1/4'x2 3/4"

Six glass collodion positives c. 1870 to c. 1900. (Two portraits: two parent and child; two groups).

Six glass collodion positives

1870-1900
Mounted slides & uncut glass positives from Ives' "Kromoscop" for 3-colour transparencies.

Mounted Slides & Uncut Glass Positives

Three glass positives, 11"x14", of model of ancient Egyptian carpenter's shop, circa 2000BC

Three glass positives

Thirteen boxes of 3-colour separation glass positives, prepared by Sir William Abney from negatives taken by him.

Thirteen boxes of 3-colour separation glass positives

Calotype positive entitled 'Lacock Abbey with Man in Front', by William Henry Fox Talbot and Calvert Richard Jones. Inscribed on recto with ink 'Sept / 45'. Hypo-fixed.

Lacock Abbey with Man in Front

1845-09
One glass positive of an "Invicta" shaping machine. (From negative loaned by B. Elliott & Co. Ltd).

Glass positive of an "Invicta" shaping machine

Collodion positive on glass. Subject: Seated young woman.

Collodion positive on glass of seated young woman

Collodion positive on leather, portrait of Robert Bartholomew. Mounted on grey paper ( torn) ink manuscript caption "Epreuve manguee de mon Robert 10 Avril 1857", with two albumen prints dated 1856

Collodion positive on leather

1856
Collodion positive on leatherite portrait of Robert Bartholomew. Mounted on torn grey paper (with two albumen prints) with ink inscription "Epreuve Marguee de mon (Robert?) 10 Avril 1857 Geneve".

Collodion positive on leatherite portrait of Robert Bartholomew

1857-04-10
Wet collodion positive, in wooden frame, photographer unknown. Portrait of Captain Walshaw and family. Undated

Wet collodion positive

Glass colour positive, by Barnhard Baer, "Potsdam" 1935. Backed with pearl glass, mounted with black paper tape

Glass colour positive

One glass positive of No.19 Hexagon Turret Lathe.

One glass positive of No.19 Hexagon Turret Lathe

One glass positive of 9" circular cold sawing machine.

One glass positive of 9" circular cold sawing machine

One glass positive of No.20 combination Turret Lathe.

One glass positive of No.20 combination Turret Lathe

One glass positive of No.5 Auto Lathe with tools driven by electric motors.

One glass positive of No.5 Auto Lathe with tools driven by electric motors

One glass positive of special Vertical Milling Machine used for milling copper tube plates of locomotive boiler fire boxes.

Glass positive of special Vertical Milling Machine

One glass positive of spiral bevel gear generating tool.

One glass positive of spiral bevel gear generating tool

One glass positive of No.4 Universal Tool & Cutter Grinder.

One glass positive of No.4 Universal Tool & Cutter Grinder