This listing is for 2 VINTAGE TRIGONOMETRY TABLES BOOKLETS , an ITW & EX-CELL-O Corp. The 6 1/2" by 3" booklets are both in very good used condition and both have slight wear. The EX-CELL-O book h

 

1955 Slide Rule -Amazing comdition -No cracks or chips -Includes slide rule, original plastic sleeve, original box, original case and instruction book -Complete set -Message me with any questions -Pay

 

Welcome,offered is an Altimeter Airguide Instrument which indicates changes in air pressure. Comes with original box & instruction sheet & all in in very good condition. Box has a bit of wear

 

EARLY 1930'S TENN. MINNING HARD HAT / COAL MINING / MINE NR Click Images to Enlarge This auction is for a RARE EARLY Tennessee Coal Mining Hard Hat. I personaly purchaced this hard hat from the man th

 

For your bidding consideration is a Vintage Swift & Anderson Sighting Level wiht brass fittings. It measures approximately 5-1/4" x 1", Everything appears to be in good working order. I have attem

 

4-1/4" tall, 2-1/16" diameter old clear glass chemical/laboratory bottle having raised frosted letters on front - Ammonium Chloride NH4 Cl Embossed on bottom - W. T. Co. K U.S.A. Has a glass stopper,

 

Vintage/antique drafting tools in case. A couple missing but most there. Shows some rust but well made and definatly in usable condition.very cool / interesting

 

NIB Galileo Thermometer which stands 11 inches tall. Instructions are on box for proper reading. This item will be well wrapped and insured at time of shipment. Great fathers day gift. Italian astrono

 

my good old slide rule from 1965 ands now it can be yours

 

Vintage Qualitone Hearing Aid