OUT OF PRODUCTION, DR. BREWSTER'S ULTIMATE PRECISION KALEIDOSCOPE KIT BY VAN CORT INSTRUMENTS, INC. NEVER USED. BOX IN EXCELLENT CONDITION. COMES WITH INSTRUCTIONS. ONE ITEM HAS HAD THE PLASTIC OPENED

 

RULE IS IN VERY GOOD CONDITION. BOX SLIGHTLY WORN AS SHOWN.

 

A Collection of Circular Slide Rules and Calculators. See photos for what is included. All are in very good condition except the Range Computer which has 3 internal cracks in the back plastic disk. So

 

Florida Estate Sale Find- Vintage K&E #68 1210 Log Log Duplex Decitrig Slide Rule With Original Case. Copyright 1947. Great Condition With No Owners Marks. Shipping In The USA Only! Payment Is Due

 

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

 

The Kit Includes: 1 - 10" Green Gold Pan - The GREEN color contrasts the BLACK sand and the GOLD in your pan. 1 - Suction Tweezers - Suck up the fine gold and move it to your storage vial. 1 - Plastic

 

MEADOWTOWN AUCTIONS PRESENTS: VINTAGE 1979 ODYSSEY KALEIDOSCOPE LIQUID MOTION With Box Mag-Nif In Excellent Condition- Box has some wear to it Enjoy ! Thank you for choosing Meadowtown-purveyor of vin

 

i000000 Vintage NBS Glass Microscoope Slides Insects Hairs Click Images to Enlarge You are bidding on 3 boxes of vintage NBS GLASS MICROSCOPE SLIDES There are 6 glass slides in each box - two boxes of

 

The following auction is for a Vintage Bausch & Lomb Optical Co. Microscope – Rochester, NY – 07665. · Approximately 12 ½ “ High · 3 lenses o Bausch & Lomb Optical Co., 16 mm 0.25 N.A

 

Vintage Japanese Eagle 6 inch transit with box. Please see picture 4 for specs of transit. We only ship within the continental U.S.