This is a very early antique slide rule. Frederick Post Co, #1441. This is a smaller version of 4". Previous owner has inscribed name on back of slide rule as well as inside and back of leather case.

 

Very nice K & E Slide Rule with hard shell case, not many like this and am sending a couple slide rule manuals. Look at pictures and questions, just email. Shipping is $5.00 anywhere in the U.S.

 

3 vintage slide rules: 1. The Warner & Swasey Co., Cleveland Ohio. 2. Acumat Acu Math no. 600. 3. K +E #681210 Log.Log Duplex Decitrig c. 1947 by Keuffel & Esser Co. Winning USA bidder pays pr

 

Vintage Airguide Compensated Barometer Small Ships Wheel Nautical DecorVintage Airguide Compensated BarometerShip's Wheel Designed CaseSmall size at 5 1/2" in diameter x 2" deepWe will ship this via t

 

2 DIFFERENT NICE AUSTRALIA JOY COAL MINING STICKERS GREAT CONDITION IF YOU BUY MORE THAN ONE SET, THERE IS DISCOUNTED SHIPPING!! 1-5--- $1.00 EACH ADDITIONAL 6-10-- .50 CENTS EACH ADDITIONAL 11 OR MOR

 

SCULPTING DENTIST TOOLS LOT of 14All are used in Good condition.I sell as is. I try to give a description based on what I see pertaining to the items selling.Payment is by PAYPAL. I will send you an i

 

Up for auction is an anatomical heart model. This if your basic heart model showing the front, back and cross-section to show the insides. In my opinion it is in excellent condition, stored in a box a

 

Kueffel and Esser Co. Alidade Model T-211618 In Original Case Crystal Clear Optics in a carefully owned and used instrument From the dry, high desert climate of Colorado It is rare indeed to find deca

 

Up for your consideration is a lot of vintage medical devices. 6 in all. Some in the original packages. It includes 3 old syringes, an old dropper.( rubber is hardened), A floating thermometer, and a

 

Up for Bid is a Vintage 1967 The Gold Saver Gold Pan 12" with a Gold Saving Pocket. This is #1 of 2 listed. It is in excellent condition. Please look at all of the detailed photographs. I found it at