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

 

DESCRIPTION:  WHAT YOU ARE BIDDING ON IS A VINTAGE METAL TRIANGULAR DRAWING RULER WITH A WESTINGHOUSE LOGO AND "BREAKER ABILITY... THE SCIENCE OF CIRCUIT PROTECTION", WRITTEN ON IT.  SCALES ARE SHO

 

Vintage K & E Keuffel & Esser Stadia Slide Rule 4161-3 Original Case Mannheim This is a K&E Keuffel & Esser Stadia Slide Rule 4161-3 Original Slide Rule. It has the original case, manu

 

Sun Hemmi bamboo slide rule No. 64 System Rietz, complete with cardboard box, see pictures. ((Règle á calculer, Rechenschieber, règle á calcul, slide rule, rekenliniaal) Questions will be answered

 

The Milwaukee Brace Vintage Medical Book Orthopedic ~ Hardback book measures 9 1/2 by 6 1/2 inches with 198 pages. Hardback cover is new condition, tight spine, inside is clean. High bidder pays $3.00

 

A Ships Wheel Fantasia Kaleidoscope in Black Leaher designed and built by E. Van Cort Standing 7" high, turned from solid brass with black anodized accent trim, this miniature Bush Like Scope with Bla

 

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

 

Hi! This auction is for a beautiful Aireguide Barometer from the 50's to 1960's! As you can see in the photo's, this barometer is in excellent condition ( almost ) new condition. It appears to be work

 

ANTIQUE MICROSCOPE SLIDE BY EDWARD WARD. H.M.S CHALLENGER SOUNDINGS. 1850 FATHOMS SEE IMAGES FOR CONDITION. EXCELLENT. I HAVE HAD TO RAISE POSTAGE COSTS DUE TO INCREASED TARIFF FROM ROYAL MAIL. I WILL

 

An excellent condition unbranded altimeter / barometer in black plastic housing with easy to read 2 1/2 inch dial type face. Tests accurate when compared to my GPS. It was made in Japan but there are