Cool item for the weather enthusiast. Brass is a bit tarnished and a small nick in the wood. Otherwise this piece appears to be in great condition Posted with eBay Mobile

 

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.

 

Comes with extra erasers! Runs Great!

 

IMPORTANT-PLEASE READ BEFORE PLACING ANY BIDS!: IF THIS ITEM IS MECHANICAL OR IS SUPPOSED TO MEASURE SOMETHING WE DO NOT KNOW IF THIS IS IN WORKING CONDITION, UNLESS WE POST OTHERWISE, CONSIDER THIS A

 

Hello, and thanks for looking. Please excuse any not-so-great pics; still getting the hang of it. This is a very nice vintage General Electroc phototvoltaic cell, model 8PV-1, from the 1960s. It measu

 

K & E KEUFFEL & ESSER MODEL 68 1210 SLIDE RULE AND LEATHER CASE . All in Excellent condition with little signs of use . Made in USA. Has Pats. Pend Made in USA 68 2810 LOG LOG DUPLEX DECITRIG

 

Vintage carbide lamp.Fresh from estate sale.I have no way of testing the lamp.Looks to me in good shape.I do not see any dents or cracks.In original box the top of box is detached. Please look at all

 

This is a vintage (edwardian I think) mechanical stage.I have checked it over. and lightly lubricated it with a high quality lithium based grease.It works smoothly and precisely.The brass has a nice p

 

Vintage POST Hemmi 1441 Pocket Slide Rule With Magnifier Description; GOOD CONDITION This small (five-inch) one-sided slide rule is bamboo covered with white celluloid, with a clear celluloid and meta

 

Vintage Scientific Steam Engine Cut Away Cross Section Up for auction is this vintage scientific steam engine cut away cross section demonstration apparatus usedfor teaching the maker is unknown possi