The label on this slide says: "Oxalic Acid" Carefully packaged in boxes. Thank you for your interest.

 

We have never used this geiger counter and the battery is old so we have no idea if it works I have tried to take plenty of pictures It seems to be intact and with a new battery it should work but we

 

Pair of Compasses 1Engineers Directional Compass 1 Silva Sweden See photos for size information Pair of compasses - the all black one is an Engineers Directional Compass the other with mirror is made

 

Today from the Queen's Office @ 203 S. Water Street, Her Majesty is offering the following crown jewel:--------Just Rite Pat. No. 11527 Made in USA Carbide Miner's Lamp. Measures 4" tall. Great item f

 

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

 

Here we have this Rare Unique Brass Cased Desktop Office Thermometer USA Made by Cooper. The coil Spring Mechanism is made by Cooper and the brass cover is made by International Silver. This is a grea

 

For auction is a old miners hat with a old carbide lantern attached to the front. It is dinged and dirty from use.

 

Curta Type II 2 Mechanical Calculator, # 546758. This Curta Calculator is in Pristine condition and appears to have been rarely used. It comes with the original plastic case and box with serial number

 

Vintage Omicron beam compass that allows for drafting circles up to 72 inch radius. Wood box is 5 1/2 by 2 7/8 by 3 1/4 inches deep. Box shows some scuffs and previous owner put his initials on box. C

 

i000000 Vintage Cased French 'CURVIMETRE' Map Measurer or ROTAMETER by HB of Paris mint Click Images to Enlarge You are bidding on a very nice vintage Cased French CURVIMETRE Map Measurer or ROTAMETER