KL-1 Circular Slide Rule description This CIRCULAR SLIDE RULE (model KL-1) is 50 millimeters in diameter (approximately 2"). It is intended for performance of trigonometric and mathematical operations

 

English Stanley level in excellent condition. It has cross hairs (slightly canted) and a few specks inside the lens.

 

Antique wooden slide rule made by Keuffler and Esser Co. of New York. Patent 1,934,232. I'm told these are from the 1930s and I believe the 38 reference on the leather case refers to the individual's

 

up for bida lot antique collectible medical instruments tools 15 pcssome are incomplete, missing partsdo not know alot about themcollectible, display, not intended for uselook at pic's closely to dete

 

i000000 Vintage Pocket Thread Counter Magnifying Glass Optical Old Tool Click Images to Enlarge You are bidding on a nice Vintage Pocket Thread Counter Magnifying Glass Optical Old Tool in good clean

 

Offered for your bidding is a pocket magnifying glass. This item was a Warner & Swasey Precision Machinery promotional item. Lens and handle measure approximately 3 and 1/2 inches. Lens is of high

 

Please note: this item is being sold on consignment, please allow for up to 5 days for shipping. Hello, up for auction is an original vintage drafting tool. Please view the images closely to see their

 

This set belonged to my deceased husband's collection. Please view my other drafting items listed.

 

Here we have a collection of vintage drafting supplies.....all are in good condition thanks for looking. I ship within 48 hours of payment being received I do combine shipping Customer service is very

 

You are buying a 5pc classifier sifting pan set. You get 1/2", 1/4", 1/8", 1/12" and 1/20". Bucket not included. Features include: * Size: 11" diameter bottom * Top diameter 13-1/4" * 304 stainless st