Alternative Technology

Some Steampunk/Monsterpunk/Rocketpunk Applied Science

Frankenstein:
Reanimation
Longevity Research
Longevity Applications
Cyberclockpunk Megafauna
Megafauna Reanimation
Paleokaiju Reanimation
Megakaiju Reanimation
Cloning
Clockpunk Robotics
Cyberclockpunk Androids

Nemo:

Horticultural Physics (Megaflora/fauna)

Breathing Apparatus

Incredible Electric Gun

Lost City of the South Seas

(Egypto-Greco-Roman)

Escaped in Pirate's Boat?

1865: Mysterious Island

Underwater City-States

Undersea Economy

Submarine Clippers

Giant Oceanic Monsters

Lived on, in Temple Mer?

1865-ish: CNatUC

Robur:

Autogyro Transport

Paper Airship

Air-to-Air Rockets

Air-to-Surface Torpedoes

Voice Magnifier

Electric Turbines

Near-Mach Velocity

Long Distance Telescope

Barometric Heightmeter

In-Flight Water Gathering

Keelhauling Whilst Aloft

Survived, escaped Albatross?

1868: Master of the World

Capt. Sir Hugh Tregillis (Robur? Nemo?):
Breathing Apparatus
Longevity Vapors
Longevity Suit to escape?
1803 < x < 1903: War-Gods of the Deep

Cavor:

Cavorite

Breathing Apparatus

Spherical Space Vehicle

1899: First Men in the Moon

Selenites:

Atmosphere Conditioning

Massive Underground City

Horticultural Physics

Electric Cannon

Voice Reproduction

Speech Replicator

Force Shielding

Mass Telepathy

Hierarchical Specialization

1899: FMitM