Inventions & Breakthroughs of May 1930
Gadgets, lab surprises, odd bets, and future-shocks from this slice of the calendar.
1 
Turbojet Engine Patent
2 
BBC Mechanical Television Broadcasts
3 
Scotch Cellulose Tape
4 
Birds Eye Retail Frozen Foods
5 
Pluto Discovery
6 
Motorola Car Radio
7 
Twinkie Snack Cake
8 
Neoprene Synthetic Rubber
9 
Schick Electric Shaver Patent
10 
Differential Analyzer
The Sounds of
Popular recordings and roots/country selections associated with the year
HEADLINES ON May 21, 1930
Full News Archive
- Headline: Yancey Joins General Sidar's Aerial Funeral. Impact: Culture snapshot: Culture was doing what culture does in a hard year: selling glamour, distraction, status, and argument.. Fact: Culture was doing what culture does in a hard year: selling glamour, distraction, status, and argument..
- Headline: Final Evacuation of Rhine Under Way. Impact: Culture snapshot: Culture was doing what culture does in a hard year: selling glamour, distraction, status, and argument.. Fact: Culture was doing what culture does in a hard year: selling glamour, distraction, status, and argument..
- Headline: Diplomatic Action Seen on Dodge Case. Impact: Politics snapshot: Power was being negotiated in public, through officials, pressure groups, and policy fights.. Fact: Power was being negotiated in public, through officials, pressure groups, and policy fights..
- Headline: Ileana in Vienna to Consult Ocullst. Impact: News snapshot: The item is small on its own, but it gives the date texture: a real notice, a real institution, and a real public record.. Fact: A small archive item can still reveal what people and institutions thought was worth printing..
- Headline: Wins $8,500 Verdict From Cunard Line. Impact: Infrastructure snapshot: The fight is over movement: who gets through, who pays, and whether the modern city can keep from tying itself in knots.. Fact: Modern life was becoming a logistics puzzle: streets, tunnels, ships, trains, and money all competing at once..
- Headline: Mayor Ignores Bar, Picks Magistrates. Impact: Politics snapshot: Power was being negotiated in public, through officials, pressure groups, and policy fights.. Fact: Power was being negotiated in public, through officials, pressure groups, and policy fights..
- Headline: Held in Brokerage Theft. Impact: News snapshot: The item is small on its own, but it gives the date texture: a real notice, a real institution, and a real public record.. Fact: A small archive item can still reveal what people and institutions thought was worth printing..
Wall Street Time Machine
The Right Call: If you'd invested $1,000 in any one of these companies in 1930, here's what the stored 2025 dataset estimates.
Rank #1
JNJ
Johnson & Johnson
Price in 1930
$0.06
2025 dataset value
$3,433,940
Johnson & Johnson - If you invested $1,000 in 1930, it would be worth $3,433,940 today (3433.9x return)
Rank #2
PG
Procter & Gamble
Price in 1930
$0.25
2025 dataset value
$586,657
Procter & Gamble - If you invested $1,000 in 1930, it would be worth $586,657 today (586.7x return)
Rank #3
CVX
Chevron
Price in 1930
$0.31
2025 dataset value
$474,913
Chevron - If you invested $1,000 in 1930, it would be worth $474,913 today (474.9x return)
🧸 Top 5 Toys
Tinkertoy
$50
Model Train Sets
$300+
Wooden Building Blocks
$30
Yo-Yo
$40
Tiddledy Winks
$10
⚾ Top 5 Trading Cards
Churchman's Cigarettes 'Boxing' Series
$100-$800
Godfrey Phillips 'Film Stars'
$50-$500+
Typhoo Tea 'British Land Birds'
$40-$250
Carreras Cigarettes 'History of Naval Dress'
$75-$400+
Wills's Cigarettes 'Cinema Stars'
$50-$350+