Catalogue 480 "Roentgen" Induction Coils ... and other X-RAY Apparatus
Philadelphia: James G. Biddle 1903. First Edition. 32 pages plus tipped in blueprint for "Willyoung X-Ray Machines" which includes directions for operation inside rear cover. 8vo. Red printed buff wrappers. Wear at the corners, wrappers detached and now taped to main portion of catalogue. Rear cover notes the manufacturers Biddle represents including Roentgen Manufacturing Co, Philadelphia ; Leeds & Northrup Co, Philadelphia ; Weston Electrical Instrument Co, Neward NJ ; The Bristol Co, Waterbury Conn ; The Electric Storage Battery Co, Phiadelphia ; Societe Genevoise, Geneva ; Kelvin & James White, Limited, Glasgow ; Siemens & Halske, Berlin ; and Cambridge Scientific Instrument Co, England. We note items in this catalogs from R.F. & Co Chicago, Queen & Co, and a few others. An announcement in the front notes that the X-Ray coils and interrupters in the catalogue are made by Roentgen Manufacturing Co. As Roentgen Manufacturing Co was formed in 1903, this catalog shows some of their earliest offerings. Good. Wraps. [26601]
Genuinely scarce trade catalog of coils, tubes, and related materials. 26 figures in the catalog. These were very expensive items even in 1903 - the 18-inch Type 'E' Coil was $340. Tubes less so, in the $15-$40 range. A scarce and desirable catalog.
Davis, Finest Instruments, p 68 showing 4 locations. OCLC Worldcat notes two locations of this edition as of this writing.
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