The item for sale is a Hubbard Quantum Mark Super Electrometer in Midnight blue i really dont know much about the unit I tested it and it works properly any other questions feel free to ask.

 

Galileo Thermometer: 17" tall, measures from 50 to 84 Fahrenheit, and 10 to 28 Celcius with 9 weights in various colors. What it is: Based on a thermoscope invented by Galileo Galilei in the early 160

 

Here we have a very old and rare Eppley Pyranometer solar radiometer It is used for measuring solar radiation in watts / square meter It has the calibration tag to convert milivolts to watts/square me

 

NEW WITHOUT TAGS SAFETY GLASSES 2 PAIR WITH JOY LOGO ON RIGHT SIDE

 

The Kit Includes: 1 - 10" Green Gold Pan - The GREEN color contrasts the BLACK sand and the GOLD in your pan. 1 - Suction Tweezers - Suck up the fine gold and move it to your storage vial. 1 - Plastic

 

ITEM DESCRIPTION: We are offering a set of two eyewash eyecups. One is a lovely red amberina, with yellow highlights at the bowl, and red at the thicker portions of the glass. The second one is a pink

 

Sovereign Rectal fever thermometer. Distributed exclusively by Whelan drug company. Thermometer and carrying case excellent condition. Box is in OK shape due to age.

 

You are bidding on a 8 1/2"x 11" black and white photo, Pennsylvania Morea Stripping another view looking East, coal mine mining.Some photos are lighter than the scan. THE WORD SAMPLE WILL NOT BE ON T

 

VINTAGE SLIDE RULE KEUFFEL & ESSER COMPANY POLYPHASE DUPLEX SLIDE RULE IT IS 12 1/8" LONG THERE IS 3 PATENT DATES ON IT-JUNE 5,00-DEC 22,08-8.17.15 IT IS IN EXCELLENT CONDITION COMES WITH ORIGINAL

 

Original Vernier Theodolite Elliot Brothers Original solid Brass Elliot Brothers Vernier Theodolite You now have the opportunity to own this very rare, very heavy perfect example of English precision