The thing is that Tolstoy's characters already lived in a "world of robotic butlers, clumsy automatons, and rudimentary mechanical devices":

These rudimentary devices were better described as Helmet-Mounted Sights.

The early cup holders were rudimentary devices and did not always properly fulfill their function.

Ruge and his assistants quickly developed this rudimentary device into the more advanced version that would later be patented.

These characters live in a steampunk-inspired world of robotic butlers, clumsy automatons, and rudimentary mechanical devices.

It was a rudimentary device consisting of a canister of carbon monoxide attached to a face mask with a tube.

The father-daughter pair discovered that the rudimentary device captured half of the carbon dioxide that ran through the test tube.

It was a rudimentary device, but it would provide enough friction to safely control the rate of descent.

"Little Boy," the Hiroshima bomb, was a rudimentary gunlike device that shot one projectile of highly enriched uranium into another, creating a critical mass that exploded.

A single rudimentary device could power an entire planetary culture for centuries.