This machine is capable of creating a negative mercury pressure equal to 27-29" at sea level. The vacuum table measures 101/2" x 101/2" and rests on jiggle springs. Unit comes complete as shown. Shipping weight 50 lbs. Table without pump 18 lbs. Pump (and oil) 291bs. Delivered 5-7 days No. 21.805G 110 volt model; Complete as shown in photo.
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Standard Small Vacuum-Assist Machine For Investing And Casting