Hastings-on-Hudson, NY and MA: David & Yola Coffeen and Raymond V. Giordano 1992. First Edition. Pgs 33-64. 8vo. Wraps. Illustrated. A bright clean copy. Near Fine. Staplebound wraps. 
Laurence Charles Francis, Philadelphia Instrument Maker by BRUCE R. FORMAN.
The Oersted Apparatus at The Smithsonian: Perkins, Oersted, and the Piezometer as an Example of the Transatlantic Exchange by JOEL HODSON.
The American Railroad Goniometer by DALE R. BEEKS.
The Microscopical Soirde of 1884 by BUDD J. LARUE. Richard Patten (1792-1865) by DEBORAH JEAN WARNER.
The Rittenhouse Journal of the Scientific Enterprise was a scholarly journal focused on increasing and distributing knowledge about scientific instruments made and/or sold in the US and the Americas. Throughout its 23 years of publication (and a total of 70 issues), the journal covered areas including mathematical, optical and philosophical instruments, chemical, physical and electrical apparatus, sundials and globes; and time periods from the 17th to the mid-20th century. Authors of the various articles in the journal are well known scholars from major institutions, collectors, and dealers in the field of scientific instruments.