You are looking at a Vintage Pickett All Metal Trig Slide Rule Model N200t 6 inch It is from 1953 everything appears to be brand new with all manuals and the leather case has had no marks on it

 

1972 Vintage Optical Catalog Unitron Astronomical Telescopes Refractors etc Description Original catalog, 1972, Unitron product line, illustrated, specs, info. Softcover, 10.5 x 8, 20 pages in length.

 

This is a brand new and in box of the #91494 Prismatic Wand. There is instructions with it. The main color is purple. The base measures 8" long. and the wand measures 11 1/2".

 

The label on this slide says: "Oxalic Acid" Carefully packaged in boxes. Thank you for your interest.

 

Vintage Keuffel & Esser Co. slide rule. Case and ruler show slight wear from use and age. There is a name written just on the inside flap of the case as shown in the pictures.

 

Vintage German Black Forest Chalet Weather House ~ Thermometer/Barometer You are bidding on a vintage German Black Forest Chalet Weather House. There is a thermometer for the temperature and either th

 

ANTIQUE MICROSCOPE SLIDE. A.C.COLE. HUMAN LUNG. INJECTED. SEE IMAGES FOR CONDITION. SPECIMEN EXCELLENT. SMALL CHIP TO BOTTOM OF SLIDE I AM LISTING MORE ANTIQUE MICROSCOPE SLIDES OF VARYING SUBJECT MAT

 

I'M SELLING THESE FOR SOMEONE ELSE AND I KNOW NOTHING ABOUT THEM. WHAT YOU SEE IN THE PICTURES IS WHAT YOU GET. THERE ARE 6 DIFFERENT COINS FROM 3 DIFFERENT OLD MINES IN KENTUCKY AND TENNESSEE. INDIAN

 

Standard First Aid PatchSize 2"In new condition

 

pickett slide rule n-500-es good condition 1962 has leather case with name inside very minor wear