Nice shape anatomical model of the skin by Nystrom. Minor wear to the base but the model itself is clean and free of defects.

 

4-1/4" tall, 2-1/16" diameter old clear glass chemical/laboratory bottle having raised frosted letters on front - Ammonium Chloride NH4 Cl Embossed on bottom - W. T. Co. K U.S.A. Has a glass stopper,

 

I found this deep in a box in my garage. I don't remember where I got it, but here it is in beautiful shape.

 

UNUSUAL ANTIQUE BRASS SCIENTIFIC MAGNIFYING GLASS MAGNIFY. An Original Antique Magnifying Glass. Possibly from a set or similar. It is brass and in the main stem is a purpose made hole. It all seems t

 

This is a vintage Acme no. 601 DIWA Slide ruler that is in used condition. It has the original leather case, cardboard box and instructions.

 

ANTIQUE MICROSCOPE SLIDE BY FLATTERS & GARNETT. DIATOMS. ARACHNOIDISCUS. 5 SPECIES SEE IMAGES FOR CONDITION. 2 SPECIMENS MISPLACED IMPORTANT: AS FROM 2ND APRIL 2013 THE ROYAL MAIL HAVE DRAMATICALL

 

The scale and box both show signs of wear consistent with normal use and age.

 

Two old, apothecary weights, in brass, In light tarnished, legible, condition.

 

Up for auction is a Keuffel & Esser No. 55 1806 Mark I Beam Compass, with interlocking sections extending to 24" maximum length. Bars are stainless steel. This vintage drafting tool was acquired a

 

This slide rule is used to calculate dew point andrelative humidity 11 inches in diameter and 20 scales