Quick Change Precision Aluminum Pantograph Model 1290 ~ made with nice heavy beams and quality For enlarging, reducing, or reproducing. in its original box with instruction sheet. I do not know how to

 

This listing is for 2 VINTAGE TRIGONOMETRY TABLES BOOKLETS , an ITW & EX-CELL-O Corp. The 6 1/2" by 3" booklets are both in very good used condition and both have slight wear. The EX-CELL-O book h

 

Old Advertising Dental Tin Christy's Tooth Powder - Distributed by Christy, Inc. - Newark and New YorkFront of the tin has a wonderful image of a sailboat.Tin has original contents, original shaker to

 

Solid, traditional compasses, for pencil, by Helix. Fully functional, light tarnish.

 

SUNDIAL I recently acquired a large collection of vintage compasses and other similar scientific/field instruments from an estate. These are not my area of expertise but they all seem to be in working

 

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.

 

This pair of antique chemists bottles I think date to the 19th century, the bottles are made of blown glass and have a very unusual blue/green colour as seen in the photos, there are nice pontil marks

 

Beautiful USSR Barometer 1972Perfect item for your colections.

 

ANTIQUE MICROSCOPE SLIDE BY W.A.FIRTH. DIATOMACEAE. AULACODISCUS MARGARITACEUS. FROM MERILLONES, BOLIVIA. FROM THE COLLECTION OF J.G.BRADBURY. SEE IMAGES FOR CONDITION. EXCELLENT. I AM LISTING MORE AN

 

RARE EXCELLENT CONDITION UNUSUAL SHAPE HANGING BAROMETER TEMP GUIDE WHAT YOU SEE IN PICS IS WHAT YOU SHALL RECIEVE PLEASE PAY WITHIN 3 DAYS OF WINNING BID VIA PAYPAL INTERNATIONAL BIDDERS PLEASE REQUE