Standard Company Name:	E.S. Ritchie & Sons, Inc.
Company Name:	Ritchie's
Title:	Illustrated Catalogue of Philosophical Instruments, and School Apparatus
Imprint:	United States (Boston, MA: 1860)
Pagination and Size:	84 p.; 24 x 15 cm
Material Type and Language:	Trade catalogs; English
Instrument Types:	Instruments represented: gyroscopes, air pumps and batteries
Notes:	Item Number: 51791. Includes preface; testimonials; descriptions of instruments; prices; sets of apparatus.
Subject Area:	Physics ; Natural Philosophy ; Education
Digital Availability:	HTML Page | PDF (Printer Friendly)

Standard Company Name:	W. and S. Jones
Company Name:	W. and S. Jones
Title:	ACatalogue of Optical, Mathematical and Philosophical Instruments
Imprint:	England (London: 1822)
Pagination and Size:	16 p.; 21 x 14 cm
Material Type and Language:	Trade catalogs; English
Instrument Types:	Instruments represented: astronomical, optical mathematical
Notes:	Item Number: 52490. Includes descriptions of instruments; prices.
Subject Area:	Natural Philosophy ; Education ; Physics
Digital Availability:	HTML Page | PDF (Printer Friendly)

Standard Company Name:	Joseph M. Wightman
Company Name:	Joseph M. Wightman (Successor to Claxton & Wightman)
Title:	ACatalogue of Philosophical, Astronomical, Chemical and Electrical Apparatus
Imprint:	United States (Boston, MA: 1846)
Pagination and Size:	44 p.; 19 x 12 cm
Material Type and Language:	Trade catalogs; English
Instrument Types:	Instruments represented: air pumps, magnets and glass prisms
Notes:	Item Number: 52501. Includes a description of the company; gold medal award; testimonials; description of instruments; prices; list of astronomical diagarams.
Subject Area:	Physics ; Education ; Natural Philosophy
Digital Availability:	HTML Page | PDF (Printer Friendly)