<p>Oh, I should have read further down the page. There were special panes of "glass" in frames that fit the slots.</p>

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2014-11-26T20:08:42.080Z
2014-11-26T20:08:42.080Z
2017-03-10T09:42:48.853Z
Mr. Shiny and New 安宇
<p><a href="https://www.bricklink.com/catalogList.asp?catType=P&amp;catString=423" rel="noreferrer">Bricklink has a list of ancient bricks from the 50s that have slots in them.</a> What was the purpose of the slot? Its positioning on various pieces suggests that there was something specific you were supposed to put there &mdash; a window, maybe?</p>

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What was the slot for in the 1950's slotted bricks?
Mr. Shiny and New 安宇
# What was the slot for in the 1950's slotted bricks?

(Asked by: username_0 on 2014-11-26)

[Bricklink has a list of ancient bricks from the 50s that have slots in them.](https://www.bricklink.com/catalogList.asp?catType=P&catString=423) What was the purpose of the slot? Its positioning on various pieces suggests that there was something specific you were supposed to put there — a window, maybe?

![](https://www.bricklink.com/PL/bslot03bL.jpg?0)

**Tags:** piece-information, history


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## 1 answers

### Answer by username_0 on 2014-11-26. Score: 7 | Accepted answer

Oh, I should have read further down the page. There were special panes of "glass" in frames that fit the slots.

[![](https://www.bricklink.com/PL/bwindow02.jpg?0)](https://www.bricklink.com/catalogItem.asp?P=bwindow02)


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