First off I am 47, I grew up with many of this things on this list.
1. Blackjack chewing gum never heard of this one
2. Wax Coke-shaped bottles with colored sugar water - Yes
3. Candy cigarettes - Yes
4. Soda pop machines that dispensed glass bottles - Yes, both the water bath and upright machines
5. Coffee shops or diners with tableside juke boxes - Still around in my community
6 . Home milk delivery in glass bottles with cardboard stoppers - Had this service up to 15 years ago.
7. Party lines on the telephone - had one until 1977
8 Newsreels before the movie - before my time
9. P.F. Flyers no idea what this is, but it may be a US thing
10. Butch wax -what about Brill Creme?
11.. TV test patterns that came on at night after the last show and were there until TV shows started again in the morning. (there were only 3 channels... [if you were fortunate]) We only had 4 channels and the test pattern until I was 12 then we got a 5th channel. Our first TV was black and white. But dad worked in a TV studio in the 1960's and would bring home a huge reel to reel video machine so we could watch movies.
12. Peashooters - yup
13. Howdy Doody - Knew about it
14. 45 RPM records - Dad had many and the record player that woudl play theld
15. S& H green stamps - no idea what this is
16. Hi-fi's - came after the 45rmp records
17. Metal ice trays with lever - still use one and my hand still gets stuck if it is at all damp when I take the tray out.
18. Mimeograph paper - Used a
http://en.wikipedia.org/wiki/Gestetner in school
19. Blue flashbulb - cube flash bulb for my Kodak Instamatic
20. Packards - as in the ones people wear to advertise a business?
21. Roller skate keys - everyone I knew had one in their junk drawer
22. Cork popguns - yes
23. Drive-ins - I know of 2 in Western Canada, I want to take my kids one day. We used to go every weekend in the summer
24. Studebakers - I came home from the hospital in one.
25. Wash tub wringers - I used the one at my grandmother's house until I was 26. She lost first two knuckles of her wedding ring finger in one when my dad was a boy.