My Stuff
Dashboard
Overview of your buyer tools, buyer feedback and past purchases
Help
Read all about how hobbydb works and get answers to your questions
Collection Management
Keep track of everything you own
Wish List Management
Keep track of what you want to buy
List Management
Customize how you organize your Collection
Orders
See and track all your purchases
Offers Sent
See the status of items you've made offers on
Sell/Trade
Dashboard
Sell and manage your inventory on the marketplace
Help
Get all of your selling questions answered
List for Sale/Trade
List your items for sale on the marketplace
Items for Sale/Trade
See all of your inventory that is currently listed for sale
Offers Received
View all of your offers from buyers
Shipping Requests
View all of your Shipping Requests from buyers
Carts
View all of your recent sales
Items Sold
Keep track of all of the items that you’ve previously sold and list them again
Feedback
See what buyers are saying about you as a seller
Curation
Dashboard
Access all the tools you need to contribute to the database
Help
Read all about how hobbydb works and get answers to your questions
Sign In
or
Register
Sign In
Sign Up
Nikolaus A. Otto
Engineer
{{message}}
Something Missing?
In 1877, Nikolaus Otto designed and built the first ever 4-stroke engine.
Subject ID: 31732
More
In 1877, Nikolaus Otto designed and built the first ever 4-stroke engine.
Subject ID: 31732
Less
Subject ID: 31732