rails4_has_one

class Turbine < ActiveRecord::Base
  has_one :turbine_type, foreign_key: "id"
end


class TurbineType < ActiveRecord::Base
end

show.html.erb
<p id="notice"><%= notice %></p>

<p>
  <strong>Name:</strong>
  <%= @turbine.name %>
</p>
<p>
  <strong>Type:</strong>
  <%= @turbine.turbine_type.name %>
</p>

<%= link_to 'Edit', edit_turbine_path(@turbine) %> |
<%= link_to 'Back', turbines_path %>