Although this vintage Keuffel & Esser slide rule is used, it is in excellent condition, as is the leather case. It is 12.5" long. Made in New York in 1947. Owned by a development engineer for Borg

 

*Vintage* Leeds & Northup 1950s Potentiometer Nuclear Era Model R88 Product Description PLEASE READ CAREFULLY! Up for bid is this *Vintage* Leeds & Northup 1950s Potentiometer Nuclear Era Mode

 

FRANKLIN MINT BRASS ASTRONOMICAL ASTROLABE 1987 Rarely seen for sale on e-bay, the last two I could find were in the U.S.A! Excellent condition, all parts moving smoothly. 　 OFFICIAL ISSUE OF THE NA

 

TAYLOR INSTRUMENTS MAHOGANY WOOD RECORDER FROM 1915 TYCOS, LOOKS LIKE IT'S IN GREAT COND, IT SAYS HUNDREDS FAHRENHEIT 0 TO 18..IT HAS A ROLL OF TAYLOR INSTR PAPER IN IT AND IT LOOKS LIKE IT COMES OUT

 

FOR SALE: NICE VINTAGE BOXED WARREN KNIGHT SIGHT CLINOMETER # 209 WITH U.S. WEATHER BUREAU CASE AND TAG. HAS THE USE AND MAINTAIN BOOKLET PREPARED WITH THE CO-OPERATIONS OF THE UNITED STATES DEPARTMEN

 

Early Spencer Optical microscope objective 4MM 44X NA 0.66 appearing in good condition with the lens being untested. I will answer any questions to the best of my ability on all pieces. Please take no

 

LOT OF 3 ORAL FEVER THERMOMETERS B-D 150 FLATYPE IN BLACK CASE THAT HAS BD ON TIP - ORIGINAL BOX IS INCLUDED TEM-CON USA WITH CASE LAST ONE HAS BURGUNDY & WHITE CASE THAT SAYS "TAYLOR" - I CANNOT

 

For sale here is a David White Co. 6061 Balloon Theodolite. The plate says No. 91024. Olive green in color and comes with wooden storage/transport box. Box is sturdy but has many scratched, nicks and

 

Here is a blank make your own slide rule kit from Dyna-Slide. There is a no 21 blank with a sealed envelope that I assume holds the hardware and an instruction book. Not a common rule to find, get one

 

Vintage Medical Equipment - LOT #4- Penlong Laryngoscope with Penlon 3 Harris-Lake Blade- Foregger Folding Scope Laryngoscope with Sun-Med Extender and Foregger 4 Guedel Blade- Penlon 4 Macintosh Blad