Hastings-on-Hudson, NY and MA: David & Yola Coffeen and Raymond V. Giordano 1991. First Edition. Pgs 1-32. 8vo. Wraps. Illustrated. A bright clean copy. Near Fine. Staplebound wraps. 
Spiders in the Crosshairs: Cobweb and the Search for the Perfect Line by STEVEN TURNER.
Notes on the Blink-Comparator by LOUIS F. DRUMMETER, JR.
John Roach's Instruments in Sydney by JULLIAN HOLLAND.
British Instrument Makers in the U.S. by DEBORAH JEAN WARNER.
* Obituary: Saul Moskowitz by DAVID AND YOLA COFFEEN.
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.