Pinball machines.
Pinball arcades.
Penny candy.
Steel cans for soda and beer.
Police officers walking a beat.
Library cards.
Pre-Ziploc, plastic bags for food storage were merely folded over at the top.
Snapshots and other types of photographs had a white border on them.
Polaroid cameras and pictures.
Mimeograph machines.
Adding machines.
Handheld calculators, pocket calculators.
Smoking was allowed in government offices and many other places were it is currently banned.
Haberdasheries.
Fountain pens.
Mechanical pencils.
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Transistor radios.
Mood rings.
Pet rocks.
Rock ‘Em Sock ‘Em Robots.
Toll-free 1-800 telephone numbers for practically every large business or organization, and for many medium or small sized ones too.
Train travel was as widely used back then as plane travel is used today.
A bread box in the kitchen.
Also in the kitchen, a matching set of large decorative containers for flour and sugar.
Plastic carpet protectors known as “runners”, usually about three or four feet wide and as long as twelve to fifteen feet; were placed in high-traffic areas such as from doorway-to-hallway, to keep the carpet beneath them from getting tracked with dirt and mud. I can’t remember seeing one of those for about twenty-five to thirty years now.
Nurses wearing the traditional uniform that included the starched headgear, white dress-type outfit, white hosiery, and white shoes.
Many jobs, especially those in various service industries, required the employees to wear uniforms )beyond a tee-shirt and/or paper hat). That in itself was such a large enterprise that uniform shops and special cleaners shops were dedicated exclusively to uniforms.
Gloves, scarves, veils, etc., were everyday wear for the well-dressed woman, and specialty shops or entire sections of department stores were dedicated to selling them.
Television antennas on rooftops.
Rabbit-ear antenna on top of the television.
Rabbit-ear antenna on top of the television with aluminum foil wrapped around the two ends to improve the reception.
Aluminum foil twisted around a wire coat hanger to improvise instead of using a rabbit-ear antenna.
Pounding on or banging on the side of the television to improve the signal or the sound.
Console-sized televisions that were about as large as a sofa or a dining table.
Entertainment centers, usually made of wood or of a wood by-product, and held the television, a record player, the stereo, a set of speakers, and had a cabinet area down below for record albums, music cassette tapes, Beta tapes, VHS tapes, etc.
Television shows, movies, commercials and print ads that only showed people of one particular ethnicity.
Manual (push-type) lawn mowers.
Cigarette holders.
People carried matchbooks with them and when in the dark and needing to see something close up would light a match, holding onto it until it almost burned their fingers. This real-life action was also a common sight gag in both comedy and dramatic movies and television shows.
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Fine, but that’s anecdotal, and it doesn’t dismiss the fact that a larger sampling of entire generations probably* might not know about those things.
*As in the exact qualifying word that is included in the question.
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computers that looked like that :-)