VINTAGE K2 HORSE RACING calculator - includes booklet, round slide rule and case. This plastic circular slide rule has a white base, with three concentric logarithmic scales, all numbered from 1 to 50

 

Pickett & Eckel Inc. N-500 ES and N-300 ES Slide Rules. Both items are in excellent condition and both come with its own Suede Leather case. Made in the USA Biography: Printer Roswell Colvert Pick

 

Vintage Airguide Desktop Weather Station made in the USA by Airguide Instrument Company of Chicago. Metal Base with bakelite plasticMeasures 8" wide, 4" tall and 1 3/4" deepThe instrument includes a T

 

Antique MARINE TELESCOPE WATKINS & HILL SINGLE DRAW BRASS & MAHOGANY 28.75 Inch Pictures sell! Auctiva Free Image Hosting.Show off your items with Auctiva's Listing Templates Auctiva, THE simp

 

This Item Is A Vintage Bakelite Carved Magnifying Glass The Magnifier itself is flawless As is The Whole Piece. From Top To Bottom, This Magnifier measures: approx.: 5"1/2L x 2"3/4W The Red Bakelite H

 

Here we have a Very Fine Early Wooden Display / Storage Cabinet with Glazed Door with Lock / Key which is designed to Display a Total of FIVE HUNDRED Microscope Specimen Slides that measure the usual

 

ANTIQUE MICROSCOPE SLIDE BY EDWARD WARD. H.M.S CHALLENGER SOUNDINGS. 1850 FATHOMS SEE IMAGES FOR CONDITION. EXCELLENT. I HAVE HAD TO RAISE POSTAGE COSTS DUE TO INCREASED TARIFF FROM ROYAL MAIL. I WILL

 

Antique Microscope Slide by Clarke & Page. Marine Zoology. Protozoa. Haliphysema Tumanowiczii. A rare Foram parasitic on Crissia. Diatoms Isthmia etc. See images for condition. Excellent. I ALSO B

 

This item is brand new in its original packaging!HAS BEEN OPENED AND I ONLY FILLED ONE PEN AND WROTE MY NAME ON A PIECE OF PAPER ONE TIME!! Just to see what the BIG fuss was about them!!! They really

 

Vintage Keuffel & Esser Co., N.Y. slide rule in case A VERY COOL ITEM THAT I DO NOT KNOW HOW TO USE!!!!!! THANKS FOR LOOKING.......CHECK OUT OUR OTHER ITEMS...... HAPPY TO COMBINE SHIPPING!!!!! FE