What gear did the first people to climb everest use?

There were many attempts to summit Mount Everest before its initial successful summit in 1953 and gear and equipment had steadily evolved over this period. These are some significant developments in the Everest climbing gear used until 1953:

Oxygen Supply:

Pre-1920s: Mountaineers climbed without supplemental oxygen.

1920s-1930s: Open circuit sets.

1940s-1950s: Closed-circuit sets were introduced, allowing climbers to re-breathe their exhaled air.

Climbing Suits:

Early 1900s: Wool and leather garments

1920s: Tweed suits introduced.

1930s-1940s: Development of down suits and wind-proof layers.

Footwear:

Early 1900s: Leather boots

1930s-1940s: Improved crampons and lighter boots

1950s: Double boots with an inner felt or fleece liner

Communication:

Early 1900s: Visual signaling with flags

1920s-1940s: Portable radios introduced

1950s: Walkie-talkie became more reliable and compact.

Cameras and Media:

Early 1900s: Large photographic equipment

1930s-1950s: Smaller cameras and early film for photography.

Navigation and Surveying:

Early 1900s: Basic map-reading and compass

1920s-1950s: Aerial photographs and improved topographic maps.

Tents:

Early 1900s: Heavy canvas tents

1930s-1950s: Lighter and more aerodynamic tents made of nylon and other synthetic fabrics.

Climbing Equipment:

Early 1900s: Basic ice axes, crampons, and ropes.

1930s-1950s: Improved ice axes, crampons, and karabiners.

It's important to note that these are general highlights of gear developments and there was significant variation among climbers and expeditions during this time. Modern climbing gear has continued to evolve significantly since the 1950s.