1790-1810, man’s cotton vest, hemp sewing thread

Source: Historic Costume & Textiles Collection, The Ohio State University, http://fashion2fiber.osu.edu/items/show/448 The cotton from the vest outer fabric can be found at http://cameo.mfa.org/wiki/1790-1810,_man%E2%80%99s_cotton_vest,_cotton_fabric

001.2003.42.7.10-29-2013.BF.200XMM.possiblehemp.sewingthread

Source plant Accession Number 2003.42.7 Title hemp fibers, bright field, 200X Image Identification information 001.2003.42.7.10-29-2013.BF.200XMM.possiblehemp.sewingthread Image capture digital Date of image capture 10/29/13 Microscopist K. Jakes Microscope Zeiss Axioplan Mounting agent and RI Meltmount RI 1.539 Microscopic technique Brightfield Comments dislocations are different from flax.

002.2003.42.7.10-29-2013.POL.200XMM.possiblehemp.sewingthread

Source plant Accession Number 2003.42.7 Title hemp fibers, polarized light, 200X Image Identification information 002.2003.42.7.10-29-2013.POL.200XMM.possiblehemp.sewingthread Image capture digital Date of image capture 10/29/13 Microscopist K. Jakes Microscope Zeiss Axioplan Mounting agent and RI Meltmount RI 1.539 Microscopic technique Polarized light Comments dislocations are different from flax.

003.2003.42.7.10-29-2013.POL.200XMM.possiblehemp.sewingthread

Source plant Accession Number 2003.42.7 Title hemp fibers, bright field, 200X Image Identification information 003.2003.42.7.10-29-2013.POL.200XMM.possiblehemp.sewingthread Image capture digital Date of image capture 10/29/13 Microscopist K. Jakes Microscope Zeiss Axioplan Mounting agent and RI Meltmount RI 1.539 Microscopic technique polarized light Comments dislocations are different from flax.

004.2003.42.7.10-29-2013.POL-FOR.200XMM.possiblehemp.sewingthread,yellowatdislocations

Source plant Accession Number 2003.42.7 Title hemp fibers, polarized light, first order red plate added, 200X Image Identification information 004.2003.42.7.10-29-2013.POL-FOR.200XMM.possiblehemp.sewingthread,yellowatdislocations Image capture digital Date of image capture 10/29/13 Microscopist K. Jakes Microscope Zeiss Axioplan Mounting agent and RI Meltmount RI 1.539 Microscopic technique Polarized light, first order red plate added Comments dislocations are different from flax. Yellow color at dislocations under Red I plate indicative of Z direction of fibrils, which lends more confirmation that this is hemp and not flax.