An advertising clock tells the time just like a regular clock does. However many companies create clocks that are provided to their customers with their company name and logo on them.
Seth W. Fuller has written: 'Electric annunciators' -- subject(s): Clocks and watches, Electric, Advertising cards, Bells, Electric Clocks and watches
Some examples of clocks that Howard Miller Clock Company offers include mantel clocks and grandfather clocks. Another type of clock produced by the Howard Miller Clock Company are Swing Timers.
Clocks is already in plural form. Therefore, it is clocks.
The Clock Depot is a dedicated site for all things clocks. From the drop down menu it shows that their product range includes grandfather clocks, alarm clocks, anniversary clocks, antique clocks, atomic clocks, carriage clocks (as indicated), cuckoo clocks, mantel clocks, nautical clocks and more.
The best way to advertise to boost sales is to create blogs and forums that interest your audience. If you sell clocks, maybe start blogs that talk about clocks and their mechanisms and send it to potential customers but be sure to put your company's links on the blogs.
1-800-4Clocks sells lots of clocks including brands like Howard Miller, Kieninger Clocks, Hermle Clocks, Ridgeway Clocks & more. Shop the large selection of grandfather clocks, wall clocks and mantel clocks selections. cutt.ly/Ih9X6Lc
There is no specific collective noun for clocks, in which case a noun suitable for the situation is used; for example a collection of clocks, a museum of clocks, a display of clocks, etc.
clocks tell you what time it is
Analog clocks.
A quarrel of clocks
digital alarm clocks have copper but analog clocks depend on who made it
I wouldn't say the inventor, had a reason for calling clocks clocks, the person in which invented clocks came up with the name himself