Welcome,offered is an Altimeter Airguide Instrument which indicates changes in air pressure. Comes with original box & instruction sheet & all in in very good condition. Box has a bit of wear

 

58 Prepared Microscope Slides 3 Boxes Compass Brand w/34 slides of Micro Organisms, Vegetables & Pollens & Spores; 1 Box of 12 ATCO slides # 1383 "Textile Fabrics" and 1 box of 12 slides each

 

small wooden box ,13 x 11 cm, with a set of napier,s bones or calculating tables made from wood. in good condition.

 

If you collect or restore old radios, crystal sets, early scientific apparatus, vintage test equipment, military surplus, or other unique old technical items, keep me on your favorite seller list. I a

 

<11339> HERE FOR YOUR CONSIDERATION AT AUCTION FROM AN ESTATE SALE IS AN ANTIQUE BRASS "RIGGS & BROTHER PHILADELPHIA" BAROMETER WITH A CENTIGRADE FAHRENHEIT THERMOMETER AT THE BOTTOM. BEVELE

 

Offered for sale: Topcon 2X Mirror Stereoscope, by Tokyo Kogaku Kikai Co., LTD. Made in Japan. It has a number on it, G679. It is functional, and in good to fair condition with marks and scratches, an

 

Up for auction is a antique Fahrenheit thermometer. Total length of the wood is 8 1/2" long and 2" wide and the glass measures 6 1/2" long. Shows signs of wear but mainly just minor fading. Still very

 

Offered for bid is this Atco Prism Binoculars 7 x 50 power with original box/literature/ anti fogging cleaning cloth . Imprint on left side of binoculars is ATCOLITE FULLY COATED OPTICS Lightweight -

 

I HAVE CONSERVATIVELY DATED THIS FINE GENUINE ANTIQUE BRONZE OR CAST BRASS MORTAR & PESTLE TO CIRCA 1790 IN MY TITLE BUT IN TRUTH IT MAY WELL BE EVEN EARLIER. BOTH PIECES HAVE A SIMPLE LINED DESIG

 

Hello:) up for auction is the super clean and lightly used CURTA Type II calculator. I'm not exaggerating when I say super clean. This unit is in fantastic condition with no visible signs of wear. It'