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:	E.S. Ritchie & Sons, Inc.
Company Name:	E.S. Ritchie and Sons
Title:	Ritchie's Illustrated Catalogue of Physical Instruments and School Apparatus
Imprint:	United States (Boston, MA: 1877)
Pagination and Size:	116 p.; 23.5 cm x 15 cm
Material Type and Language:	Trade catalogs; English
Instrument Types:	Instruments represented: instruments for the teaching of mechanical, electrical and physical principles and phenomena
Notes:	Item Number: 52552. Includes prices; inserted sheet of testimonials.
Subject Area:	Physics ; Education
Digital Availability:	HTML Page | PDF (Printer Friendly)

Standard Company Name:	E.S. Ritchie & Sons, Inc.
Company Name:	E.S. Ritchie
Title:	E.S. Ritchie's Catalogue
Imprint:	United States (: 1900)
Pagination and Size:	63 p.; 22 x 14 cm
Material Type and Language:	Trade catalogs; English
Instrument Types:
Notes:	Item Number: 52555. Includes prices.
Subject Area:	Physics ; Education
Digital Availability:	HTML Page | PDF (Printer Friendly)