Vintage Pam Lighted Advertising MACMILLAN MOTOR OIL Clock. Neat old pam clock, has new face, new clock motor runs smooth and keeps accurate time, the bubble glass has a very slight crack lower left corner, it is not completely through, bulbs are the best never get hot, long lasting, clock is approx 15×15. THERE IS NO DELAY ON MY PART. Have you walked and talked with Jesus today? If not, you don’t know what you’re missing. Get images that make Supersized seem small. Tailor your auctions with Auctiva’s. Track Page Views With. Auctiva’s FREE Counter. The item “Vintage Pam Lighted Advertising MACMILLAN MOTOR OIL Clock” is in sale since Sunday, May 20, 2018. This item is in the category “Collectibles\Advertising\Merchandise & Memorabilia\Clocks”. The seller is “ctotoy” and is located in Smithfield, Kentucky. This item can be shipped worldwide.