1940-1949, 1940s Peach Evening Gown and Jacket, acetate fiber

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Source: Ohio State University Historic Costume & Textiles Collection, http://fashion2fiber.osu.edu/items/show/1806 Note: in some cases, identification of fiber content is not achievable by a single image alone. It may be necessary to look at the accumulation of evidence provided by a series of images , each employing different microscopic techniques. The following set of images were indicative of acetate fiber but this was confirmed by a microsolubility test; a fiber specimen dissolved in acetone.

001.2001.20.1b.8-08-2014.BF.200X,MM.unk.dressweft.jpg

001.2001.20.1b.8-08-2014.BF.200X,MM.unk.dressweft

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, bright field, 200X
Image Identification information 001.2001.20.1b.8-08-2014.BF.200X,MM.unk.dressweft
Image capture digital
Date of image capture 08/08/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Brightfield
Striations no striations apparent
delustrant apparent
comments confirmation as acetate not possible from single image
002.2001.20.1b.8-08-2014.POL.200X,MM.unk.dressweft.jpg

002.2001.20.1b.8-08-2014.POL.200X,MM.unk.dressweft

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, polarized light, 200X
Image Identification information 002.2001.20.1b.8-08-2014.POL.200X,MM.unk.dressweft
Image capture digital
Date of image capture 08/08/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Polarized light
Striations no striations apparent
delustrant apparent
comments low polarization color
003.2001.20.1b.8-09-2014.BF.200X,MM.unk.dressweft.jpg

003.2001.20.1b.8-09-2014.BF.200X,MM.unk.dressweft

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, bright field, 200X
Image Identification information 003.2001.20.1b.8-09-2014.BF.200X,MM.unk.dressweft
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Brightfield
Striations no striations apparent
delustrant apparent
comments confirmation as acetate not possible from single image
004.2001.20.1b.8-09-2014.DIC.200X,MM.unk.dressweft.jpg

004.2001.20.1b.8-09-2014.DIC.200X,MM.unk.dressweft

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, differential interference contrast, 200X
Image Identification information 004.2001.20.1b.8-09-2014.DIC.200X,MM.unk.dressweft
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique differential interference contrast
Striations some striations apparent
delustrant apparent
comments low polarization color
004.2001.20.1b.8-09-2014.POL.200X,MM.unk.dressweft.jpg

004.2001.20.1b.8-09-2014.POL.200X,MM.unk.dressweft

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, polarized light, 200X
Image Identification information 004.2001.20.1b.8-09-2014.POL.200X,MM.unk.dressweft
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Polarized light
Striations some striations apparent
delustrant apparent
comments low polarization color
005.2001.20.1b.8-09-2014.POLFOR.200X,MM.unknegative.dressweft.jpg

005.2001.20.1b.8-09-2014.POLFOR.200X,MM.unknegative.dressweft

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, polarized light, first order red plate added, 200X
Image Identification information 005.2001.20.1b.8-09-2014.POLFOR.200X,MM.unknegative.dressweft
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Polarized light, first order red plate added
Striations no striations apparent
delustrant apparent
sign of elongation subtraction color perpendicular to long axis of first order red plate, positive sign of elongation
sign of elongation addition color parallel to long axis of first order red plate, positive sign of elongation
006.2001.20.1b.8-09-2014.DIC.200X,MM.unknegative.dressweft.jpg

006.2001.20.1b.8-09-2014.DIC.200X,MM.unknegative.dressweft

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, differential interference contrast, 200X
Image Identification information 006.2001.20.1b.8-09-2014.DIC.200X,MM.unknegative.dressweft
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique differential interference contrast
Striations some striations apparent
delustrant apparent
comments low polarization color
001.2001.20.1b.8-09-2014.BF.200X,MM.unk.dresswarp.jpg

001.2001.20.1b.8-09-2014.BF.200X,MM.unk.dresswarp

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, bright field, 200X
Image Identification information 001.2001.20.1b.8-09-2014.BF.200X,MM.unk.dresswarp
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Brightfield
Striations some striations apparent
delustrant apparent
comments confirmation as acetate not possible from single image
001.2002.20.1b.8-09-2014.POL.200X,MM.unk.dresswarp.jpg

001.2002.20.1b.8-09-2014.POL.200X,MM.unk.dresswarp

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, polarized light, 200X
Image Identification information 001.2002.20.1b.8-09-2014.POL.200X,MM.unk.dresswarp
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Polarized light
Striations some striations apparent
delustrant apparent
comments low polarization color
003.2002.20.1b.8-09-2014.POLFOR.200X,MM.unknegative.dresswarp.jpg

003.2002.20.1b.8-09-2014.POLFOR.200X,MM.unknegative.dresswarp

Source manufactured
Accession Number HCT.2001.20.1
Title acetate fiber, polarized light, first order red plate added, 200X
Image Identification information 003.2002.20.1b.8-09-2014.POLFOR.200X,MM.unknegative.dresswarp
Image capture digital
Date of image capture 08/09/14
Microscopist K. Jakes
Microscope Zeiss Axioplan
Mounting agent and RI Meltmount RI 1.539
Microscopic technique Polarized light, first order red plate added
Striations no striations apparent
delustrant apparent
sign of elongation addition color parallel to long axis of first order red plate, positive