wheeler and wilson sewing threading directions

When almost all companies are baking some sort of "doing good" into their business models, how do you measure the impact of the innovations?

Sewing Machines | Historical Trade Literature in Smithsonian ...
Title: Instructions for using Wheeler and Wilson's new family sewing machine. / No. 8. Imprint . Title: [Instruction manual in Chinese for Meteor model]. Imprint .
http://www.sil.si.edu/DigitalCollections/Trade-Literature/Sewing-Machines/CF/single-recordonpiece.cfm?CompanyName=Wheeler%20and%20Wilson%20Manufacturing%20Company

WHEELER & WILSON, SEWALOT
The Wheeler & Wilson Sewing Machine Company of Bridgeport, Connecticut, . the needle with a little point, twisted with a thread from the bobbin and let it go.
http://www.sewalot.com/wheeler%20&%20wilson%20sewing%20machines.htm



Wheeler and Wilson No. 8
Antique and Rare Sewing Machines Sewing Machine Research. ISMACS . The Number 8 Manual. Wheeler and Wilson Number 8 Sewing Machine, 1876 .
http://www.ismacs.net/wheelerandwilson/no8.html

What's New at the International Sewing Machine Collectors' Society
Franklin Rotary Sewing Machine Manual; Instructions for .
http://www.ismacs.net/international_sewing_machine_collectors_society_news.html